Help Me!😫😫 Giúp Tui Đi

task 4 :

15.C

16.B

17.B

18.A

19.C

20.A

task 5:

1.am/to eat

2.where is she from/is

3.goes/is shining

4.is Mary go

5.learn

6.learn

7.to drink

8.are you writing

9.doesn't drinking

10.have buy

11.is helping

12.was/missed

13.needed

14.to talk

15.phoned/didn't see 

16.is going to come

17.went

18.is raining

19.warms/gives

20.is running