题目内容
6.We are not sure if it will rain or not tomorrow.whetherA B C.
分析 我们不能确定明天下不下雨.
解答 答案 B改成whether
本题考察if和whether的区别,"if"引导条件从句,可以理解为"如果…,就…"."whether"引导让步从句,含有无条件地执行的意思,通常与"or not"一起使用,可以理解为"无论是否…,都…".在此处后面有or not故选B 改成whether.
点评 找出考点,根据if和whether的区别,联系他们的用法,选出答案.
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