______ the students in our class is 50 and _______ them study very hard.

   A. The number of; the number of      B. A number of ; the number of

   C. The number of; a number of        D. A number of; a umber of

 She didn’t ______ work when she had the baby.

   A. give in   B. give out   C. give away    D. give up

 The _____ look on his face showed that he had enough confidence in himself.

A. surprised                                     B. puzzled        

C. excited                                         D. determined

 _________ from what he did, he isn’t a person to depend on.

         A. Judge                     B. Judging                  C. Judged                   D. To judge

 ---- I’m sorry I can’t go to the concert with you tonight, because I have a bad cold.

   ---- If you don’t go, __________.

         A. nor do I                  B. nor will I                C. so do I                    D. so will I

---- Have you heard that Peter rather than his parents _________ to Singapore?

   ---- Really? No wonder I haven’t seen her.

         A. has been               B. has gone               C. have gone             D. have been

—Bruce,I really appreciate (欣赏)your handwriting.

—_________.

A. I pracitce every day         B. Thank you very much

C. No, I don not think so        D. Well, it is not good enough

The old man lost his money and he has been worried ________.

A. even if      B. even as      C. ever since        D. as if

 Alice trust you: only you can ____her to give up the foolish idea.

A. suggest      B. attract        C. attempt       D. persuade

She prefers _____ her clothes by hands rather than by machine.

A. having washed  B. washing     C. being washed   D. to wash