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【题目】I’m not sure ______ he will win the game or not.

A. that B. if C. why D. Whether

【答案】D

【解析】

试题分析:考查关系词。句意:我不清楚他是否会赢得比赛。以or not是一个很明显的用关系词whether的标志,表示是否,故选D项。

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