V/

1.converted

2.generate

3.reduce

4.avoid

5.invest

VI/

1.wear

2.work

3.arrive

4.speak

5.play

VIII/

1.Festivals create an opportunity for the people to take part in the festival activities. 

2.How far is it from your school to your mother's office?

3.Will most people travel on driveless trains by 2030?

4.The children have to do a lot of homework, don't they?

IX/

1.Although he studied very hard,he failed the exam

2.Did she use to often go to the beach when she live in Hai Phong?

3.In spite of her beatiful voice, she doesn't want tobe a singer

4.Despite being interesting, she doesn't like reading it.

5.I used to collect dolls when I was not in secondary school.

Chúc học tốt!

Nếu được thì cho mình câu trả lời hay nhất nhé.Cảm ơn trước!

Bài V:

1. converted

2. generate

3. reduce

4. avoid

5. invest

Bài VI:

1. shall be wearing

2. will be working

3. will be arriving

4. shall be speaking

5. will be playing

Bài VIII:

1. Festivals create an opportunity for the people to take part in the festival activities. 

2. How far is it from your school to your mother's office?

3. Will most people travel on driveless trains by 2030?

4. The children have to do a lot of homework, don't they?

Bài IX:

1. Although he studied very hard, he failed the exam

2. Did she use to often go to the beach when she lives in Hai Phong?

3. In spite of her beautiful voice, she doesn't want to be a singer

4. Despite being interesting, she doesn't like reading it.

5. I used to collect dolls when I was not in secondary school.

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   Có thể mình làm sai, bạn thông cảm cho mình nhé =((

      -Minhh-