用括号里面词的适当形式填空。
I_____ (be)a girl.
The boy is_____ (she) brother.
Those are my _____ (parent).
_____(this) are his books.
Lucy and Helen are _____(friend).
用括号里面词的适当形式填空。
I_____ (be)a girl.
The boy is_____ (she) brother.
Those are my _____ (parent).
_____(this) are his books.
Lucy and Helen are _____(friend).