题目内容

【题目】Edison made a lot of inventions, ___________of great importance.

A. which I think are B. which I think they are

C. I think they are D. that I think are

【答案】A

【解析】考查非限制性定语从句。句意:爱迪生有很多发明,我认为很重要.Inventions是先行词,在从句中做主语.逗号隔开,说明非限制性,只能用which引导,I think是插入语.选A.

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