28a 29d (từ change ở đề thiếu s) 30b 31a 32d 33c 34b 35d 36c 37d 38c 39b 40d

35 It is very interesting to play beach games

36 faster than the horse

37 She loves hanging out with her friends at the weekend

38 My father spends most of his free time looking after the garden

39 Which ethnic group hass the second largest population in Vietnam?

are

It is important that parents should be aware of what their children are doing online

1b 2b 3c 4d 5c 

dịch từ Anh sang Việt thì đã có google dịch lo nhá

1 where to start their trip

2 off the light when you get out of the room

1 where to start their trip

2 of the light when you get out of the room

1 had smoked

2 had watched

3 had lived

4 had drunk

5 had swum

6 had lain

7 had worked

8 had gone

9 had run

10 had played

11 had walked

1a 2b

20 to buy

21 to take

22 to go - sit - doing

23 do - sit

24 sitting - doing

25 to keep

26 to visit

27 to see

28 know

30 to rest