题目内容
20.---________ there any bottles of milk in the fridge?---No,there ________.( )
| A. | Is; isn't | B. | Is; is | C. | Are; are | D. | Are; aren't |
分析 --冰箱里还有牛奶吗?--没有.
解答 答案:D,谓语的单、复数形式依据主语的单、复数形式而定:主语为复数,谓语动词用复数;主语为单数或者是不可数名词,谓语动词用单数.在此题中,形式谓语为牛奶,谓语主体为bottles,用来形容多瓶牛奶,所以应该用复数,选D.
点评 考察主谓一致,谓语动词的形式必须随着主语单、复数形式的变化而变化.
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