Where does he work? He works _____ a factory.（）

A．in

B．for

C．with

I want to work in ________ office.（ ）

A．a

B．an

C．/

Amy's mother works in a hospital. She is a ___.（ ）

A．teacher

B．doctor

C．scientist

You should ________ your homework first.（ ）

A．do

B．does

C．doing

She does well in singing. She is a ________.(  )

A．singer

B．dancer

C．cleaner

读一读,补全句子。
【小题1】________ does he do? He is a ________（邮递员）.
【小题2】________ does he work? He ________ at sea.
【小题3】What does your father do? ________ is a ________.（教练）
【小题4】What does your uncle do?  He is a ________ .（渔民）
【小题5】_______does your father go to work? He ________ to work ________ .（骑自行车）