改错(How old) (is) Mrs.Hyde?(She's) a (secret).

问题描述:

改错(How old) (is) Mrs.Hyde?(She's) a (secret).

习惯用It's a secret!

How old) (is) Mrs.Hyde?
这个没问题 ,主要是下面的错了
应该是:
It is a secret.

She's---That's
还是考的代词