1.Came/was listening.

2.Broke/phoned.

3.Were going/stopped.

4.Were they having/called.

5.Rang/got/answered.

6.Opened/was standing.

7.Arrived/did you do/reported.

8.Was lying/rang/stopped.

9.Was/left/fell.

10.Comes/seems/enjoy.

11.Saw/was standing/had.

12.Opened/fell.

13.Was walking/felt/didn't know.

14.Broke/was doing/slipped.

15.Didn't go/rained.

16.Was/heard.

17.Were you watching/called.

18.Was waiting/arrived.

19.Didn't drive/ happened.

20.Rang/was watching.

21.Fell/was painting.

22.Did you drive/happened.

23.Were making/arrived.

24.Went/were having/came.

25.Were you doing/was working.

26.Began/was sitting.

27.Saw/were trying.

28.Were driving/appeared.

chúc bạn học tốt!!!!

1, Came/ was listening

2, Broke/ phoned

3, Were going/ stopped

4, Were they having/ called

5, Rang/ got/ answered

6, Opened/ was standing

7, Arrived/ did you do/ reported

8, Was lying/ rang/ stopped

9, Was/ left/ fell

10, Comes/ seems/ enjoy

11, Saw/ was standing/ had

12, Opened/ fell

13, Was walking/ felt/ didn't know

14, Broke/ was doing/ slipped

15, Didn't go/ rained

16, Was/ heard

17, Were you watching/ called

18, Was waiting/ arrived

19, Didn't drive/ happened

20, Rang/ was watching

21, Fell/ was painting

22, Did you drive/ happened

23, Were making/ arrived

24, Went/ were having/ came

25, Were you doing/ was working

26, began/ was sitting

27, Saw/ were trying

28, Were driving/ appeared