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Though he is in his late sixties, the well-known biologist begins each day ____ a sense of adventure and a sense of curiosity.

　 A. in　　　 B. with　　　　　 C. of　　　　 D. at

— I’m sorry. I ____ hurt you.

　 — Forget it.

A. haven’t meant to　 B. am not meant to　 C. didn’t mean to　 D. never mean to

You ___________ (誤會(huì)) him, for he did nothing wrong.

Mr. White works with an import and export company, but he ______ for this industrial fair, since he is on leave.

A. has worked　　　　 B. works　　　　 C. has been working　 D. is working

Over time,she　　 all the hardships and gradually learns the meaning of life.

A、gets through　　 B、goes by　　 C、finds out　　 D、breaks into

Finding her car stolen, _____.        
A. a policeman was asked to help.     B. the area was searched thoroughly      
  C. It was looked for everywhere       D. she harried to a policeman for help. 

—Have you finished your homework yet?

—Not yet. I ________ to do it just a few minutes ago.

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

They neededd some more hands to do the work, _____they?

A. didn’t 　 B. neededn’t 　 C. mustn’t 　 D. needn’t

Why don’t you put the meat in the fridge ? It will _____ fresh for several days.

A. be stayed　　　 B. stay　　　 C. be staying　　　　 D. have stayed

— Where will you start your work after graduation？

— It’s not been decided yet．I _______ continue my studies for a higher degree．

A．need　 B．might　 　 C．would D．must