Question

Answer 1

2 đến 4 ok rồi

5 were playing

6 are learning

7 give

8 to tell

9 read

10 do

11 is reading - reads

12 will telephone

13 were watching - phoned

14 waiting

15 haven't seen

IV

1 having => have

2 so => too

3 go => will go

4 many => much

Answer 2

2. is 
3. had lived
4. sitting
5. were playing
6. are learning
7. give
8. to tell
9. read
10. do
11. is reading / reads
12. will telephone
13. were watching / phoned
14. waiting
15. have not seen.