一般情况下if 和whether可以互换,但以下3种情况只能用whether ①在不定式前：Whether to go there or not hasn’t been decided. ②在介词前：It depends on whether it is going to rain. ③与or not连用They are talking about whether to go there or not.
满意请采纳
一般情况下if 和whether可以互换,但以下3种情况只能用whether ①在不定式前：Whether to go there or not hasn’t been decided. ②在介词前：It depends on whether it is going to rain. ③与or not连用They are talking about whether to go there or not.
满意请采纳