_______ she was invited to the ball made her very happy.
| A．Whether | B．That | C．Because | D．What |
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 |
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 |
It was______ back home after the experiment.
| A．not until midnight did he go | B．until midnight that he didn’t go |
| C．not until midnight that he went | D．until midnight when he didn’t go |
It is _____ he often fails in exams _____ makes his parents worried about him.
| A．what; that | B．that; what | C．that; that | D．/; that |
A nursing home in Tianjin has opened offering ________ the owners are describing as facilities as good as a fivestar hotel.
| A．which | B．how |
| C．what | D．that |
(2013·苏南四校3月联考)Everybody knows about it now! But no one knows ________ once prevented the rumor from spreading.
| A．what was it that | B．what it was that |
| C．how it was that | D．why it was that |
(2013·厦门质检)Hardly ________ twelve when they realized that it was too late to catch the last train.
| A．the clock had struck |
| B．the clock had been struck |
| C．had the clock been struck |
| D．had the clock struck |
She had been in ________ doctors described as in a confused state of mind for five years.
| A．how | B．what |
| C．which | D．that |
It was Tom ________ is a soldier ________ saved the little girl from the water yesterday.
| A．that；that | B．whose；whom |
| C．who；who | D．that；who |