1. I have lived in Hanoi for five years.

2. I go to see a play three times a week because it is interesting.

3. People plant trees in public areas

4. I didn't go to school because it rained heavily yesterday.

5.How long have you studied in this school ?

VI.

1. I have never seen him before

2. I have studied English for 3 years.

3. Tom had a temperature so he didn't want to go to school.

4. Jill doesn't eat apples because she doesn't like them.

5.Although mary studies very well, she never gets high marks in the class. 

VI:

1: I have lived in Hanoi for five years

2: I see and play it three times because it is interesting

3: People plant trees in the public areas

4: I didn't go to school because the rain is heavily yesterday

5: How long do you study in your school

VII: 

1: I have never seen him

2: I have studied English for 3 years

3: Tom had a temperature so he didn't want to go to school

4: Jill doesn't eat apples because he doesn't like them

5: Mary  never gets high marks in the class although she studies very well