Mr. Brown did not tell us ______ or not he’ll be leaving next week.

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问题 Mr. Brown did not tell us  ______ or not he’ll be leaving next week.

选项 A、whether
B、if
C、either
D、weather

答案A

解析 本题考查的是whether和if用法的区别。两者都可引导宾语从句,但是whether之后可接or not,而if不能。故选项A为正确答案。
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