题目内容
5.We are not sure______ he will come here tomorrow or not.( )| A. | that | B. | / | C. | if | D. | whether |
分析 我们不能肯定他明天是否会来.
解答 答案:D.考查连词.句意"我们不能肯定他明天是否会来.".原句是一个宾语从句,表示"是否",习惯上宾语从句中的whether 与or not直接连用,不用if.因此答案是D.
点评 连词可以表并列、承接、转折、因果、选择、假设、比较、让步等关系,要结合语境,选择合适连词用法.
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