【題目】--- I don’t know ______ he will come or not tonight.

--- Me neither.

A. if B. whether C. who D. what

【答案】B

【解析】

句意:——我不知道他今晚是否會(huì)來(lái)。——我也不知道。A. if是否; B. whether是否; C. who誰(shuí);D. what什么。who, what在賓語(yǔ)從句中要充當(dāng)主語(yǔ)或賓語(yǔ),而本句不需要連接詞充當(dāng)句子成分,排除C,D;if/weather都有是否的意思,一般可以互換,or not只能與whether連用,不能與if連用,故答案選B。

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