I wonder ____ you have finished all your homework or not.A.that B.weather C.if D.whether刚刚考完试这道题不确定到底用whether还是用if

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I wonder ____ you have finished all your homework or not.A.that B.weather C.if D.whether刚刚考完试这道题不确定到底用whether还是用if
I wonder ____ you have finished all your homework or not.A.that B.weather C.if D.whether
刚刚考完试这道题不确定到底用whether还是用if

I wonder ____ you have finished all your homework or not.A.that B.weather C.if D.whether刚刚考完试这道题不确定到底用whether还是用if
whether or not是固定短语
用whether

whether
只有whether与or not连用