问题 选择题
请选出下列每组中不同类的单词。
( ) 1. A. weak
( ) 2. A. green
( ) 3. A. wash
( ) 4. A. walk
( ) 5. A. crayon
B. tall
B. have
B. sweep 
B. fly
B. does
C. climb
C. watch
C. school
C. draw
C. skates
D. smart
D. read
D. clean
D. elephant
D. has
答案

1. C  2. A  3. C  4. D  5. A

单项选择题
单项选择题