Bài II: 

4. Vietnamese families plan their activities around their children on many special days.

5. At Easter, children have to be independent and look after themselves.

Bài III:

1. We have to uses knife and fork for dinner.

2. What were you and friends did at 4p.m. yesterday afternoon?

3. When spring coming, many VNeses villages will preparing for the new festival season.( Just fairly sure.)

4. He detest going shopping with his friends.

5. She drives more carefully than her brother.

=> 
1. When is the Hue festival held?
2. You ought to go out to play instead of staying here.
3. Life in the city is faster than that in the countryside.
4. Vietnamese families plan their activities around their children on many special days.
5. At Easter, children have to be independent and look after themselves.

III/
1. We have to use knife and fork at dinner.
2. What were you and your friends doing at 4 p.m yesterday afternoon?
3. When spring comes, many Vietnamese villages prepare for a new festival season.
4. He detests going shopping with his friends.
5. She drives more carefully than her brother does.