_______China’s first manned space flight took place?

A. When it was that          B. Was it when that

C. When was it that          D. Was it that when

You have no idea         when we saw IT companies booming in our country.

A. that we were how happy                             B. how happy were we

C. that how we were happy                             D. how happy we were

 ― Have you finished the work?

― Not yet. I _______ to do it just a moment ago.

A. set off       B. set up     C. set out         D. set down

_______ in her most beautiful skirt, the girl tried to make herself _______  at the party.

A. Dressed; noticed      B. Dressing; noticed     

C. Dressed; noticing     D. Dressing; being noticing

 A man who hesitates ______ everything cannot do anything successfully.

A. to do       B. doing        C. for doing             D. in doing

John walked on the sand, thus ______ many footprints.

A. left        B. to leave       C. leaving     D. leave

---Tom graduated from college at a very young age.

---Oh, he ____ have been a very smart boy then.

A. could        B. should        C. might       D. must

Surprisingly, his new play, commonly supposed to be of high quality, turned out to be _______.

A. a success   B. a failure      C. failure       D. success

The workers spent as much time as they could        more products to meet the   growing market.

A. produce                       B. to producing         C. producing            D. produced

A new cure for the disease is ______ to be discovered.

A. like                             B. likely                      C. possible                 D. probable