I do not doubt ________ he will appear soon.A、thatB、whetherC、ifD、whateverAdo

游客2023-11-13  19

问题 I do not doubt ________ he will appear soon.

选项 A、that
B、whether
C、if
D、whatever

答案 A

解析 doubt可作名词或动词,当doubt用于肯定句时,引导的从句应用连接词whether或者if连接;但当doubt用于否定句和疑问句时,应该用that连接。
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