问题 选择题

The new technology,if ________ to farming,will help increase the grain output.

A.applying

B.to apply

C.applied

D.having applied

答案

答案:C

考查省略。if引导的条件状语从句中省略了与主句相同的主语及系动词,补全后为:if the new technology is applied to farming,因此选C。

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