选出不属于同一类别的单词。(20分)
( )（1）A.armchair B．sofa C．ball
( )（2）A.home B．living room C．bedroom
( )（3）A.doctor B．balloon C．teacher
( )（4）A.TV B．in C．on
( )（5）A.four B．computer C．three
Sally is going to go to the library ____ Sunday.
A. inB. atC.on
It’s going to_______ in Shanghai.
A. rainy B. be rainC. rain
Look! The boy ________after a dog .
A. running B. runs C.is running
The birds are sitting ________the trees.
A. in B. to C. on
You can play _____piano but you can’t play ____baseball.
A. a; theB. /;the C. the; /