改语态。

改为被动语态：
1、Mother let him make his bed every morning.
2、Many young people have given up smoking since 2000.
3、The popular singer is going to write some new songs.
4、She always takes good care of her pet dogs.
5、We must answer questions in English in class.
6、Someone took away the MP3 on the desk.

改为主动语态：
1、The computer was bought two years ago.(My father)
2、This kind of MP4 is made in Hefei.(they)
3、Five volunteer have been sent to look after the old.(the governmment)
4、His textbook was found in her desk.(my deskmate)
5、This drawing was drawn just now.(a little boy)
6、This car is going to be repaired soom.(the workers)

今天要、
谢~

1、He is let to make his bed by his mother every morning.
2、 Smoking has been given up by many young people since 2000.
3、some new songs are going to be writen by the popular singer .
4、her pet dogs are always taken good care of by her.
5、questions in English must be answered by us in class.
6、the MP3 on the desk was taken away .

1、My father bought the computer two years ago.
2、they make this kind of MP4 in Hefei.(they)
3、the governmment sent Five volunteer sent to look after the old.(the governmment)
4、my deskmate found his textbook in her desk.(my deskmate)
5、a little boy drew this drawing just now.(a little boy)
6、the workers is going to be repair this car soom.(the workers)

1、Mother let him make his bed every morning.
He is asked to make his bed every morning by his mother.

2、Many young people have given up smoking since 2000.
Smoking had been given up by many young people since 2000.