There ______ a pair of trousers on the table.My trousers ______ worn out.

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问题 There ______ a pair of trousers on the table.My trousers ______ worn out.

选项 A、is, are
B、are, are
C、is, is
D、have, have

答案A

解析 一些由两个部分构成的词作主语时,谓语常用复数,但它们前若有pair等词时,谓语一般跟pair在数上保持一致。
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