题目内容
7.Not only my friends but also my sister _________ interested in those songs.( )| A. | are | B. | is | C. | were | D. | am |
分析 不仅是我的朋友们还有我的妹妹对那些歌曲感兴趣.
解答 答案:B.考查系动词.句意"不仅是我的朋友们还有我的妹妹对那些歌曲感兴趣.".not only…but also…,不但…而且…,应连接两个相对称的并列成分.其后谓语动词与靠近的主语保持一致.be interested in…对…感兴趣.根据sister,单数,可知应该用be动词单数is.答案是B.
点评 系动词本身有一定的词义,不能单独作谓语,后面与表语连用.要根据具体的语境选择系动词的正确用法.注意时态,人称等变化.
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