Thereisnodoubt______smokingcanser

发布时间:2020-07-25 22:49:13

There is no doubt ______ smoking can seriously damage our healthA.thatB.whetherC.whyD.which

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A解析考查There is no doubt that…结构。Doubt作名词时,用在否定句中,后面跟that引导的同位语从句。所以选A。
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