题目内容
13.--Is it true that Mike refused an offer from Yale University yesterday?--Yeah,but I have no idea ____ he did it; that's one of his favorite universities.( )
A. | when | B. | why | C. | that | D. | how |
分析 -Mike拒绝了耶鲁大学的录取,这是真的吗?
-是的,我不知道他为什么要这样做.耶鲁大学是他最喜欢的大学之一.
解答 答案B.本题实际上是一个同位语从句,是对名词idea的内容进行的说明.短语have no idea后面可以使用多种形式的同位语结构,如have no idea where to go等.根据句意可知使用why表示原因.故B正确.
点评 同位语从句属于名词性从句,大多由从属连词that引导,常常跟在fact,news,idea,thought,question,reply,report,remark,hope,belief等名词后面.同位语从句一般用来解释或说明这些名词的具体含义或内容,在逻辑上表现为同位关系.

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