This pair of blue trousers is Tom's.The black trousers is Tom's too.哪里错了

问题描述:

This pair of blue trousers is Tom's.The black trousers is Tom's too.哪里错了

后面的一句是复数。
the black trousers are toms too.

是复数 所有都是两条腿

后一句错了.应是The black trousers are Tom's,too.