二道英语题 说明理由,谢谢9. This pair of jeans————— (look) cool.10. The jeans————— (look) cool.

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二道英语题 说明理由,谢谢
9. This pair of jeans————— (look) cool.
10. The jeans————— (look) cool.

9.This pair of jeans looks cool.== it looks cool.
10.The jeans look cool.== they look cool.

9.looks,因为前面主语说的是一条牛仔裤,所以用单数
10.look.因为这里的主语是The jeans类指,牛仔裤的总称,所以用复数

我只知道第二个填looks

9. looks(主语是pair,单三)
10.look(主语是jeans,复数)

供参考。