改错 This pair of trousers are mine

问题描述:

改错 This pair of trousers are mine

These pairs of trousers are mine./This pair of trousers is mine.
be的单复数是由PAIR来决定的,与此类似的还有kind、a large amount (S)等等。

are 改成 is 是正确的。因为这里的主语是this pair ,trousers不影响后面,所以用单数形式。
希望对你有帮助。

are 改为 is