16 B

17 A

18 C

19 B

20 B

*15. Venus. :v

12. 20 years' time.

11. Linh said she preferred texting to sending letters.

12. My mother said she hoped there wouldn't be traffic jams in 20 years.

13. The teacher asked what a language barrier was.

14. Tom wondered if robots would replace teachers in class. 

15. Jerry said the night before, he had dreamt of flying to Vietnam.

11 She asked me if I like English music

12 Two department stores have been built

13 The computer is being used at the moment

31 We should avoid playing computer games because it will hurt our eyes

32 Rescue workers sent water and food to victims yesterday

33 I like to travel to Europe but I don't have enough money

34 Our children will be taken care of by robots in 20 years' time

Cảm ơn ạ

15 had done

16 to take

17 were - would travel

18 was - had to

19 were playing

20 go

=> that house hasn't been lived for years

Khi tân ngữ ko rõ ràng (people, they, no one,...) thì sang câu bị động bỏ luôn nhé bạn (vd: They are building a bridge -> A bridge is being built)

That house hasn't been lived for years

5 Europe export bananas 

6 Oil has been discovered at the North Pole

7 All our money and passports were stolen

8 They are building a new hospital in my neighborhood

9 Where is English spoken?

10 Fortunately the accidents didn't damage the machinery

11 People say that apples are good for our health

12 What have they done to help the poor in this city

13 The student are writing the lessons now

14 Red is believed to be the symbol of luck

15 My sister has had someone make a new dress recently 

30 laughing - slipping

31 locking

32 to wait

33 run