用动词be的适当形式填空

问题描述:

用动词be的适当形式填空
l ( )a new student in this school ( ) you a student?Mike and Tony ( )my new classmates.( )your mother in the room?What garde( )he in this years?They( )my books.

l ( am )a new student in this school ( Are) you a student?Mike and Tony ( are )my new classmates.(Is )your mother in the room?What garde( is)he in this years?They( are)my books.