Combine these pairs of sentences. Use a relative pronoun only when necessary. Use commas for non-defining relative clause.
1.  I bought a cell phone. I can use it to send and receive e-mail.
     __________________________________________________________________________________
2. My new cell phone has become a necessary part of life. I only bought it a month ago.
    __________________________________________________________________________________
    __________________________________________________________________________________
3. My roommate has never been on the Internet. She is afraid of computers.
    __________________________________________________________________________________
4. Now, there are psychologists. They help technophobes use technology.
    __________________________________________________________________________________
5. A lot of people suffer from technostress. Those people work in my office.
    __________________________________________________________________________________
6. Some people dream of a job. They can do the job without technology.
    __________________________________________________________________________________
7. Graham took us to his office. It was filled with books.
    à The office _______________________________________________________________________
8. The man is a computer expert. You were talking to him.
    __________________________________________________________________________________
9. Some documents have been found. They were stolen from a car.
    __________________________________________________________________________________
10. Dr. Michelle Weil wrote a book about 'technostress'. She is a psychologist.
    __________________________________________________________________________________
11. He works for a computer magazine. The magazine is very popular in Mexico.
    __________________________________________________________________________________
12. I saw several houses. Most of them were quite unsuitable.
    __________________________________________________________________________________
13. My stereo doesn't work today. It worked yesterday.
    __________________________________________________________________________________
14. Marta has a brother. Her brother's name is Manuel.
    __________________________________________________________________________________
15. My English teacher, Mrs. Brookes, was someone. I had great respect for him.
    __________________________________________________________________________________

II) Put the correct word in the box to complete the sentences below

physical ; electronic; benefits; digital; motivate; personal; relative; technology; defining; applications; disruptive; mobile

1. The phrase "--------------natives" refers to people who are familiar with computers and the internet from an early age.

2. The internet will-------------students to study more effectively

3. Please don't ask him questions about his family. He hates answering-------------questions

4. Our students are very excited when they have opportunities to do----------------exercise

5. My son, who is a promising pianist, is now interested in composing--------------music

6. Many teacher have now understood the------------that mobile devices can bring

7. I'm looking for some new-----------to put on my smartphone to improve my English pronunciation

8. The ringing sound from mobile phones is------------and annoying in the classroom

9. People are now familiar with the term m-learning or----------------learning,which focuses on the use of personal electric devices

10. In the grammar part of this unit we study--------------clauses

11. That laptop, which has the latest------------------,is very expensive

12. Some of my classmates think that it is not easy to know which clause is----------------and which is non-defining

III) Use who, which, that or whose to complete each of the sentences

1. Vinh,-----------------is only two and a half, likes to play games on a tablet

2. My tablet,-------------is two years old, still works quite well

3. Personal electronic devices-------------distract students from their class work are banned in most schools

4. Students---------------have smartphones can use them to look up words in an electronic dictionary

5. Some scientists think that children-------------parents allow them to use electronic devices early will have more advantages in the future

6. The laptop-------------------cover is decorated with funny animals belongs to my aunt

I. Combine these pairs of sentences using relative pronouns. Use commas for non defining relative clause

1. my new cell phon has become a necessary part of life. I only bought it a month ago

.................................................................................................................

2. My roommate has never been on the internet. She is afraid of computers

...............................................................................................

3. now, there are psychologists. They help technophobes use technology

....................................................................................

4. a lot of people dream of a job. They can do the job without technology

.......................................................................

5. a lot of people suffer from techno stress. Those people work in my office

.............................................................................

6. My stereo doesn't work today. It worked yesterday

..........................................

7. the man is a computer expert. You were talking to him

.........................................

8. some documents have been found. They were stolen from car

..................................................................

9. Dr Michelle Weil wrote a book about' techno stess'. She is a psychologist

................................................................................

10. he works for a computer magazine. The magazine is very popular in Mexico

...................................................................................

11. Marta has a brother. Her brother's name is Manuel

........................................................................

a. Listen and repeat.

(Nghe và lặp lại.)

- This is the person who invented the light bulb.

(Đây là người đã phát minh ra bóng đèn.)

- Thomas Edison! (Thomas Edison!)

II. Join each pair of sentences, using a relative pronoun/adverb and comma(s) if necessary.

1.My youngest sister has just got married. You met her at my house last week

2.The matter has been settled. You were arguing about it last night.

3.Last week I returned to my village. I was born forty years ago.

4.Mr. Nam’s house is near mine. He is an experienced doctor.

5.Do you remember the day? We first met on that day.

6.The policeman received a reward. He caught the criminal.

7.How is your son? He had an operation last night.

8.Her latest novel is really good. I read it on holiday.

9.The Games International Company has just gone bankrupt. We have done business with them for many years.

10.The records are mostly classical. He owns them.

c. Use the information in the table to write sentences with non-defining relative clauses.

(Sử dụng thông tin trong bảng để viết câu với mệnh đề quan hệ không xác định.)

1. (who/job/what/when) Hans Lipperhey, who was a glasses maker, invented the telescope in 1608.

(Hans Lipperhey, một nhà sản xuất kính, đã phát minh ra kính thiên văn vào năm 1608.)

2. (what/when/who) ____________________________

3. (what/when/who) ____________________________

4. (who/job/what) ______________________________