Youallthosecalculations!Wehave

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You_____ all those calculations! We have a computer to do that sort of thing.

A．needn’t have done	B．must not have done
C．shouldn’t have done	D．can not have done

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Not until he called the secretary three times ______ that the manager went to an important meeting.

A．did he tell

B．he told

C．was he told

D．he was told

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Duncan, ______ NBA star, is one of _______ few basketball players who are very popular to many of his Chinese fans.

A．an; the

B．an; a

C．the; the

D．the; a

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-----They say Tom’s brother is a billionaire.
----_____________? He wouldn’t accept any help from his brother, even though it was offered.

A．What if

B．What for

C．So what

D．Forget it

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Oct. 1st, ____ is our National Day, is celebrated with singing and dancing.

A．which

B．as

C．when

D．that

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Up to now, large quantities of food ____ to Africa to save the starving people.

A．is sent

B．has been sent

C．have been sent

D．are sent

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