AIDS is said_______ the biggest health challenge to both men and women in the earth over the past four years.

A. that it is  B. to have been       C. that it has been   D. to be

It was April 29, 2010      Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.

A. that   B. whenC. sinceD. before

If you______to her about it yesterday, you ______ what to do now.

A. should have spoken; would know    B. spoke; would know

C. had spoken; would have known        D. had spoken; would know

______ no bus, we had to take a taxi to go to the station.

A. There was B. There to be C. There had been    D. There being

I don’t think the color of the curtains ______ the color of your room perfectly.

A. fixes     B. fits     C. suits      D. appropriates

It was______ back home after the experiment.

A. not until midnight did he goB. until midnight that he didn’t go

C. not until midnight that he wentD. until midnight when he didn’t go

______ I have made great progress in my spoken English, I can not express myself freely.

A. In spite ofB. Even though   C. As though     D. Despite

It is _____ he often fails in exams _____ makes his parents worried about him.

A. what; thatB. that; whatC. that; thatD. /; that

Waves of red light are about twice as long as _______ of blue light.

A. those   B. that  C. it   D. Ones

Eventually, the husband could no longer ______ his wife’s complaints about his inability to make much money, and he divorced her.

A. come up with    B. put up with    C. stand up with   D. bear up with