Our modem civilization must not be thought of as ________in a short period of time．

A．being created

B．to have been created

C．having been created

D．to be created

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参考答案

C。我们不应该认为现代文明是在短时期内创造的。
考查非谓语动词。空格前为介词as，所以后面要使用动名词；同时，该动名词表示的动作发生在主句谓语动词前．而日动宾之间是被动关系．所以要使用动名词的完成被动式。

1 When Jane fell offthe bike, the other children______

A．were not able to help laughter

B．could not help but laughing

C．could not help laughing

D．could not help to laugh

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2 It's the first time that she has been to the United States,_____?

A．isn't she

B．hasn't she

C．isn't it

D．hasn't it

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3 All flights______ because of the snowstorm, we decided to take the train．

A．were canceled

B．had been canceled

C．having canceled

D．having been canceled

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