题目内容
【题目】—Is it true that Aaron refused an offer from Cambridge University yesterday?
—Yeah, but I have no idea _________ he did it; that’s one of his favourite universities.
A.when
B.why
C.that
D.how
【答案】B
【解析】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”。
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