That's a her black cat.如何改错

问题描述:

That's a her black cat.如何改错

该句子的问题是成分杂糅。去掉a或her任一即可。
That's a black cat.(去掉her)
That's her black cat.(去掉a)

a去掉
That's her black cat.
that , is, cat 已经说明了是一只猫。。。
如果是多只会这么说
Those are her black cats.

a 去掉

去掉A或her

a去掉
That's her black cat.

把a或her删掉

that's a black cat of her /that's a black cat /That's her black cat