题目内容
【题目】Once , the rules will work.
A. carry out
B. being carried out
C. carried out
D. to carry out
【答案】C
【解析】once为连词,引导状语从句。该状语从句的主语和主句主语相同,且含有be动词,所以主语和be动词皆可省略,。将省略的部分还原为:once it is carried out。
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题目内容
【题目】Once , the rules will work.
A. carry out
B. being carried out
C. carried out
D. to carry out
【答案】C
【解析】once为连词,引导状语从句。该状语从句的主语和主句主语相同,且含有be动词,所以主语和be动词皆可省略,。将省略的部分还原为:once it is carried out。