33 We/ use/ music/ communicate/ year/ 2100

 we will use music to communicate in the year 2100 

34.  They said there / water/ Mars.

They said there was water on Mars.

35. They / ask/ what food/ people/ other planets/ eat.

 They asked what food people on other planets had eaten

36. Mary / enjoy/ chat/ the phone/ her friends.

Mary enjoy chatting on the phone with her friends

a) If the river weren't polluted, there would be more fish

b) If the earth were warmer, the sea level would rise

c) Tomorrow Hoa will buy some flowers for her father's birthday

d) Uluru is the most beautiful mountain in Australia

e) If he watches too mich television,  he will hurt his eyes

III/

1 If I were you, I would plant vegetables in the garden.

2 Your cheque was sent last Friday and should be delivered to you tomorrow

3  Most people don't know where their plastic waste goes

4 That was a terrible earthquake but luckily we survived

5 Sydney is the largest city in Australia with the population of 4.4 million

III. Make sentences using the words and phrases given :

1. If / I / be / you,/ I/ plant / vegetables / garden/./

If I were you, I would plant vegetables in the garden.

2. Your cheque / send / last Friday and / should / deliver/ to you tomorrow/./

 Your cheque was sent last Friday and should be delivered to you tomorrow/

3. Most / people / not know / where / their/ plastic/ waste/ go /./

Most people don't know where their plastic waste will go.

4. That / be / terrible / earthquake / but / luckily / we / survive /./

That was a terrible earthquake but luckily, we all survived.

5. Sydney / be / largest / city / Australia / with  / population / of 4.4 million /./

Sydney is the largest city in Australia with a population of 4.4 million.

IV.Rewrite the sentense by using the word in the blank:

1.“Can you explain this word to me?” She asked her teacher. (ASKED)

=> She asked her teacher to explain that word for her.

2. “You should practise speaking English everyday” Jackson said to Mary. (SAID)

=> Jackson said to Mary that she should practise speaking English everyday.

3.She isn’t old enough to drive a car. ( TOO)

=> She is too young to drive a car.

4.Nam is too short to reach the shelf. ( ENOUGH)

=> Nam is not tall enough to reach the shelf.

5.She started studying English seven years ago. (HAS)

=> She has studied English for seven years.

6.I haven't eaten this kind of food for a long time.  (LAST)

=> The last time I ate this kind of food was a long time ago.

Refer

1. If / I / be / you,/ I/ plant / vegetables / garden/./

If I were you, I would plant vegetables in the garden.

2. Your cheque / send / last Friday and / should / deliver/ to you tomorrow/./

 Your cheque was sent last Friday and should be delivered to you tomorrow/

3. Most / people / not know / where / their/ plastic/ waste/ go /./

Most people don't know where their plastic waste will go.

4. That / be / terrible / earthquake / but / luckily / we / survive /./

That was a terrible earthquake but luckily, we all survived.

5. Sydney / be / largest / city / Australia / with  / population / of 4.4 million /./

Sydney is the largest city in Australia with a population of 4.4 million.

1 If I were you, I would plant vegetables in the garden.

2 Your cheque was sent last Friday and should be delivered to you tomorrow

3  Most people don't know where their plastic waste goes

4 That was a terrible earthquake but luckily we survived

5 Sydney is the largest city in Australia with the population of 4.4 million

1. My father bought a car when he was thirty.
2. If he doesn't eat breakfast , he will be hungry.
3. We shouldn't throw rubbish on the street.
4. What time did you go to the gym yesterday?
5. He has never met her before.

1. There are four people in my family.

2. Robots will help us to do the housework in the future.

3. Nga like table tennis the most.

4. What would you like to drink?
5. Ba sits in front of Lan.

1. There are four people in my family.

2. Robots will help us to do the housework in the future.

3. Nga like table tennis the most.

4. What would you like to drink?
5. Ba sits in front of Lan.

Tham khảo

1. The major cause of water pollution in Vietnam is the weakness in industrial wastewater management.

2. Many factories use freshwater to carry away waste from their plants into canals, rivers, and lakes.

3. Most of them do not have a wastewater treatment system.

4. Industrial wastewater is directly discharged into canals, lakes, ponds, and rivers, causing serious pollution of surface water.

5. For example, in 2008, the Vedan factory, a sodium glutamate plant, released its untreated industrial wastewater into the Thi Vai River and caused tons of fish and ducks in the river to die.

6. Another cause of water pollution in Vietnam is the lack of awareness among citizens.

7. Every day people generate a lot of garbage, and they throw it directly into canals, rivers, and ponds.

8. They collect water from these sources to do their laundry, wash dishes, and bathe, and then they throw the dirty water that contains detergent and shampoo directly into them.

1. The earth’s fossil fuels are running out.

2. What would happen when there were no energy in the earth?

1.Make up meaningful sentence using the words and phrases given

1.earth’s/fossil/fuels/running/out/.

-> The earth's fossil fuels are running out

2.what/ happen /when/there/no energy/earth/?

-> What will happen when there is no energy on earth ?

III. Make sentences using the words and phrases given :

1. They / live / Ha Noi / for / long time/./

 ………they have lived in hanoi for a long time…………………………… ………………………………………………...........

2. My grandfather/ adore / listen /classical music/./

………my grandfather adores listening to classical music……………………………………………………………………………….........

3. This computer / produce / the USA  / in 1995/./

        ………this computer is produced in the usa in 1995………………………………………………………………… …………..........                                                                                                                   

     4. We/ have / wonderful time / Ho Chi Minh City/ at this time / last year/./

  ……we were having a wonderful time in hcm city at this time last year………………………………………………………………………………............

     5. What/ you / do / if  / see / alien / now/?/

       ………what would you do if you saw an alien now…………………………………………

1 They have lived in Ha Noi for a long time

2 My grandfather adores listening to classical music

3 This computer was produced in the USA in 1995

4 We were having a wonderful time In Ho Chi Minh City at this time last year

5 What would you do is you saw alien now?