题目内容
--- 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
B
【解析】
试题分析:Mike放弃了最心仪的耶鲁大学,令人不解其故。A项表“时间”,D项表“方式”,均不合题意。have no idea = not know,后面的从句应该表示“疑问”,排除表“确定事实”的C项。故本题选择B项。why表示“原因”。
考点:连接词的语境运用。
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