题目内容
9.Do you knowwhether (if/whether) or not Betty will come tomorrow?分析 你知道明天贝蒂是否来不?
解答 正确答案:whether.本句是一个宾语从句,whether、if都可作连接词,表示是否,但whether和or not可连用,if则不行,故选择whether.
点评 本题考查选词填空,首先应判读出本句是宾语从句,其次掌握if与whether引导宾语从句的用法及区别是解题的关键.
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