二、选出每组中不同类的一项。X|k |B| 1 . c|O |m
( )1. A. on B. rice C. behind
( )2. A. egg B. chicken C. toy
( )3. A. light B. noodle C. box
( )4. A. pen B. want C. pencil
( )5. A. fish B. plane C. train