用is am are have和has的适当形式填空

题目

用is am are have和has的适当形式填空
1.this( )Alive,She( )a lovely dog.
2.what( )he doing?he is reading.
3.I ( ) sam.I ( )a new bicycle.( )you a bicycle,too?
4.there ( )many flowers in the park.They ( )very beautiful.
5.My uncle ( )a doctor.He ( ) a new car.
为什么这样用.

答案

1.this( is)Alive,（是,主语为第三人称单数)She( has)a lovely dog.（有,主语为第三人称单数)
2.what(is )he doing?he is reading.（主语为第三人称单数)
3.I (am ) sam.（是,主语为第一人称)
I ( have)a new bicycle.（有,主语为第一人称)
( Have )you a bicycle,too?（有,主语为第二人称)
4.there (are )many flowers in the park.（there are有的意思）They (are )very beautiful.（是,主语为复数)
5.My uncle (is )a doctor.（是,主语为第三人称单数) He ( has) a new car.（有,主语为第三人称单数)