The troops marched quietly into the village __________ alert the enemies．

A．not as to

B．so that

C．so as not to

D．in order to

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参考答案

【参考译文】军队静悄悄地走向村庄，以免使敌人警觉。
【答案解析】本题考查动词不定式的否定用法。因为前面说悄悄地走，后面有alert the enemies(使敌人警觉)，所以应该用否定的意义，故B和D排除。动词不定式的否定应该放在to前面，所以本题答案选C。

1 Who __________ that first discovered America--the New Continent?

A．was

B．it was

C．was it

D．did

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2 Hardly __________ the people rushed towards it．

A．the bus stopped before

B．was the bus stopping then

C．had stopped the bus than

D．had the bus stopped when

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3 Since 1970,Mr．Johnson __________ in this hospital and he loves the job very much．

A．has worked

B．will be working

C．has been working

D．is working

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