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Please tell me how the accident ___. I am still in the dark.

　 A. came across　 　 B. came on 　　 C. came down 　　 D. came about

Much to my _______,I am unable to accept your invitation.

A.fault　　　　　　　　 B. failure　　　　 C. regret　　　 D. pleasure

It was very cold 　　　　 they still went swimming.

　 A．a(chǎn)lthough　 B．so　　　 C．but D．because

There are altogether eleven books on the shelf, _____ five are mine.

　 A. on which　　　　 B. in which　　 C. of which　　　　 C. from which

事故后你想過放棄嗎？

Have you ____ ____ _____ ____ after the accident ?

Sir, you ________ take this seat. It’s just for the old.

　 A. oughtn’t to　　 B. can’t　　　　 C. won’t　　　　 D. needn’t

The doctor suggested that she ___.

A. will not smoke B. not smoke C. would not smoke D. did not smoke

At that time, China was _____ Japan, so going abroad was extremely difficult.

A. at the war with　　　　　 　　　B. at the war against

C. at war with　　　　　　　 　　 D. during the war with

1.      Though you have failed many times, you shouldn’t ___________.

A. make up your mind　　　　 B. lose your heart　 C. lose heart D. lose mind

You shouldn’t keep silent when ____

A. speaking 　　 B. spoken to 　　 C. spoken 　　　 D. speaking to