题目内容
The new technology,if ________ to farming,will help increase the grain output.
A.applying?? ????????????? B.to apply
C.applied?? ????????????? D.having applied
【答案】
C
【解析】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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