题目内容
【题目】This is one of the experiments __________ in our laboratory.
A. being made
B. making
C. to make
D. having made
【答案】A
【解析】句意：这是一个正在我们实验室做的实验。make与experiments为动宾关系，故用过去分词的进行时表被动且表进行。
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题目内容
【题目】This is one of the experiments __________ in our laboratory.
A. being made
B. making
C. to make
D. having made
【答案】A
【解析】句意：这是一个正在我们实验室做的实验。make与experiments为动宾关系，故用过去分词的进行时表被动且表进行。