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
