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It is still under discussion _________ the old bus station should be replaced with a modern hotel or not.

A.whetherB.whenC.whichD.where

A

解析試題分析:通過分析句子結構,可知這個句子中包含一個主語從句,it是形式主語。引導詞在從句中沒有擔當任何成分,但有實際意義,表示“是否”的意思,故用whether。
考點:主語從句的考查
點評:在復合句中充當主語成分的句子叫做主語從句。解答這類題,首先要確定從句是什么從句,然后依據相應的語法規則答題。主語從句中引導詞的確定,要看它在主語從句中作什么成分,有沒有什么實際意義。

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