TL:

IV

1 from -to

2 on- with

3 to 

4 from

5 on

6 in

7 from

8 for

V

1 different

2 fishing

3 successfully

4 intertainments

5 voluntary

6 interesting

7 pronunciation

8 orphanage

9 comfortable

10 household

VI

1 for-> then

2 many-> much

3 keeping-> keep

4 among-> between

5 have-> take

6 will finish-> finishes

7 is-> was

8 will rain-> rains

9 arrived-> arrives

10 is raining-> was raining

VII

1 He spent ten minutes going to the meeting last night

2 Minh hasn't written to his pen pal for five months

3 They used to wear jeans when they were young

4 It's five years since the last time she came here

5 I was made to cry last night

6 If he stays at home tonight, she will visit

7 I am going to go out with my friends tonight

8 She is interested in reading books when she has free time

9 It is interesting to have a vacation abroad

10 The water was too cold for the children to swim in