David had been there for nearly an hour. He didn’t know ______ to wait or go home.

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问题 David had been there for nearly an hour. He didn’t know ______ to wait or go home.

选项 A、if
B、neither
C、whether
D、either

答案C

解析 句意是“戴维已经在那里等了一个小时了,他不知道是继续等下去还是回家。” either可以和or连用,构成either...or... 的结构,意为”不是……就是……,……或……”;neither与nor连用,构成neither... nor...形式,表示“既不……也不……”。句中如出现or/or not 时,常用whether,构成whether... or/or not的结构,意思是“是……,还是……”。根据句意,本题的正确答案选C。拓展:neither...nor...,either...or...,not only... but also... 等连词引导的词语作句子主语时,谓语动词的选择采用就近原则。both...of... 引导的词语作主语时,后面的谓语动词用复数形式。
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