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we are not sure whether we can persuade him out of smoking.这句话为什么是宾语从句呢?前面的we are not sure主系表不是完整了么?

分类: 作业答案 • 2022-08-10 17:57:30

问题描述：

we are not sure whether we can persuade him out of smoking.这句话为什么是宾语从句呢?前面的we are not sure主系表不是完整了么?

答

sure是及物动词