题目内容
10.Lucy and Lily twins.They look the same.( )| A. | be | B. | am | C. | is | D. | are |
分析 露西和莉莉是双胞胎,她们看起来一样.
解答 答案:D.本题是考查系动词的用法.A.be 是系动词的原形;B.am 表系动词的一般现在时态,一般与第一人称I连用,表单数形式;C..is 表系动词的一般现在时态,一般与第三人称单数连用,表单数形式;D…are 表系动词的一般现在时态,一般用于第二人称,也可用于第一人称和第三人称的复数情况,表复数形式.
根据题意,此句为一般现在时,露西跟莉莉两个人是复数概念,后面系动词要用复数形式are,故选D.
点评 对于系动词的形式,主要看主语的单复数概念,并结合语境,从而选出正确答案.
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