题目内容
17.Either you or I _______ right,there is only one right answer.( )| A. | are | B. | am | C. | is | D. | be |
分析 不是你对就是我对,只有一个正确的答案.
解答 答案:B.考查系动词.句意"不是你对就是我对,只有一个正确的答案.".are复数.am通常与I连用.is单数,be是原形.either…or…意为"或者…或者…;不是…就是…",连接两个主语时,其谓语动词应与最近的一个主语在人称和数上保持一致,根据I可知,用be动词am.答案是B.
点评 考查系动词,is是单数,are是复数,am通常与I连用,要结合语境,选择合适用法,注意人称及主语的单复数变化.
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