Daniel is busy these days. I doubt he will come to my birthday party or not this Sunday.A. that B.when C. how D. whether 题目和参考答案——青夏教育精英家教网—

题目内容

Daniel is busy these days. I doubt he will come to my birthday party or not this Sunday.

A. that B.when

C. how D. whether

【解析】

试题分析：句意：丹尼尔这些天忙，我怀疑他是否这周日能来参加我的生日聚会。that无意义，when当，how如何， whether是否；that用于doubt的否定句，whether用于doubt的肯定句，故选D .

考点：考查连词

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