Will she be back tomorrow?I don't knowI dont't know____ _____ ____ be back tomorrow

问题描述:

Will she be back tomorrow?I don't know
I dont't know____ _____ ____ be back tomorrow

I dont't know _if /whether___ _she ____ _will___ be back tomorrow.
由if、whether 引导的宾语从句

whether she will
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I dont't know【if / whether she will 】 be back tomorrow.