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I doubt_____they can swim across the river.A、whyB、thatC、whetherD、whenC在肯定句中,
I doubt_____they can swim across the river.A、whyB、thatC、whetherD、whenC在肯定句中,
游客
2023-11-05
53
管理
问题
I doubt_____they can swim across the river.
选项
A、why
B、that
C、whether
D、when
答案
C
解析
在肯定句中,及物动词doubt后的宾语从句,多用whether或if引导,表示“怀疑是否,怀疑能否”。
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