1. How much does the laptop cost? 

2. How long did the film last? 

3. Is exercising good for your health?

ơ câu 2 bài 5 là heaviest nha =))) hic chắc ấn nhầm ctrl :D 

1. 's wrong with this 

2. don't we buy 

3. are one thousand students in

4. spent 20 mins writing 

5. a quick typist

6. parking the car outside the building?

The bottle has some water.

1. TV

2. on

3. channel 

4. more

5. watching

6. loves 

7. when

21. plays

22. with

23. what 

24. they

25. would 

26. out 

27. on 

28. Everything

documentary