137页，中级版练习

1、选择题

1-5、AABAD
6-10、AACBC

2、改写题

1、The song was sung by my sister.
2、Nigel had his wallet lost.
3、Doctors are paid some money by us.
4、I hope I will be interviewed by them for the job.
5、The floor was being cleaned by the man.
6、A mechanic having my car repaired.
6、I am having my car repaired.
7、My uncle got lost yesterday.
8、It was agreed that the plan should go ahead.
9、When did your kitchen get decorated by them.
10、Exercise is said to be good for you.