问题描述：
be的动词正确形式填写
I( )a good student
He( )walking with his friend
She( )in the classroom
You( )a beautiful
They( )my good friends
Lingling and wei fang( )in
The bird ( ) in the tree
Tom with his parents( )in Chine now
We ( ) having a good time
LiLei ( ) lying in the sun
I( )a good student
He( )walking with his friend
She( )in the classroom
You( )a beautiful
They( )my good friends
Lingling and wei fang( )in
The bird ( ) in the tree
Tom with his parents( )in Chine now
We ( ) having a good time
LiLei ( ) lying in the sun
问题解答：
我来补答展开全文阅读