题目内容
20.All these postcards must be mailed at once in time for the Spring Festival.( )A. | to have received | B. | so as to be receiving | ||
C. | so as to be received | D. | to receive |
分析 所有明信片必须马上寄出,以便春节时能及时收到.
解答 答案:C
句意表达的是目的;receive与主语postcards之间构成动宾关系,要用不定式的被动形式来构成目的状语.故选C.
点评 动词不定式是非谓语动词是一种,表示未发生的动作,用法较多.常用来作定语,主语,宾语,补语,状语等.本题中用来作目的状语,相当于in order to为了.
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