I don't know < >he will come tomorrow or not 括号中该填whether还是if 还是weather

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I don't know < >he will come tomorrow or not 括号中该填whether还是if 还是weather

I don't know < >he will come tomorrow or not 括号中该填whether还是if 还是weather
I don't know < >he will come tomorrow or not 括号中该填whether还是if 还是weather

I don't know < >he will come tomorrow or not 括号中该填whether还是if 还是weather
I don't know _________he will come or not tomorrow
这里填whether.这句是whether引导宾语从句.翻译为“是否“.
这里不用if 的原因是后面有个”or not“,一旦你看到它,就知道只用whether.
宾语从句中,主句为一般现在时,从句根据句意,可以使用任意一种时态.所以这里可以用将来时.
句子意思是:我不知道他明天是否要来.

whether
后面有or not

为你解答。
I don't know (whether) he will come tomorrow or not
我不知道他明天来不来。
解释:whether...or not,是或否。
if则不能与or not连用。weather意思是天气。