I doubt _______ he will win or not.A.whetherB.if C.thatD.when
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I doubt _______ he will win or not.A.whether | B.if | C.that | D.when |
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答案
A |
解析
试题分析:whether …or not 是不是,whether引导宾语从句。句意:我怀疑是否他会赢。故选A. 点评:if也可以引导宾语从句,但存在区别,if和whether的区别:1.在动词不定式之前只能用whether 。2.在whether …… or not 的固定搭配中。3.在介词后,只能用whether。4.宾语从句放在句首表示强调时,只能用whether 。5.用if会引起歧义时,只用whether。如用whether可避免歧义 |
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