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The reason ______he was late was _____he got up late

A.which , becauseB.why , that
C.that, thatD.why ,because

B

解析試題分析:考查定語從句和表語從句。本題第一空why引導定語從句,修飾先行詞the reason;當先行詞是reason,且后面的定語從句很完整的時候,使用關系副詞why;第二空是that引導的表語從句,that在句中不充當任何成分,只起引導作用。句意:他遲到的原因是他起床晚了。故B正確。
考點:考查考查定語從句和表語從句
點評:要注意定語從句中的一些特殊的用法,當先行詞是reason,且后面的定語從句很完整的時候,使用關系副詞why;關于表語從句,要注意連接詞在句中的功能。

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