选择：I don't know ___he'll come tomorrow,____he come ,I'll tell you.
A.whether;if B.whether,whether; C.if,whether
为什么?
人气：453 ℃ 时间：2019-08-18 05:38:11
解答
A
前者是是否 后者是如果
我不知道他明天会不会来,如果他来了,我会告诉你
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