Viết lại câu:

1.They think that he was a spy.

=> He is thought to be a spy

2.We could not have finished our project without your help.

=> Had it not been for your help,We could not have finished our project

3.I do not know one of her friends

=>I do not know a friends of hers

4.The fund-raiser haven't offically decided where to send the proceeds of the concert.

=>No where has been offcially decided to send the proceeds of the concert by the fund-raiser

5.I would have been a superb weekend if the weather had been better.

=>But for the not better weather,.I would have been a superb weekend