选出不同类的一项。
( ) （1）A. first B.second C. three
( ) （2）A. classroom B.play C. playground
( ) （3）A. heavy B. high C. school
( ) （4）A. on B.in C. me
( ) （5）A.floor B. push C. swing
( ).Miss Zhang is a . She helps sick people every day.
A.nurse B.driver C.teacher
( )—What’s his job? — a cook.
A.I’m B.She’s C.He’s
( ) — they workers?
—No,they’re .
A.Are ;farmer B.Is,farmer C.Are,farmers
( )—What your father do ?
—He’s a .
A.does;teacher B.is;teacher C. does,teach
（）—What’s his job? — a cook.
A.I’m B.She’s C.He’s