问题 选择题 找出每组词中不同类的一个。 ( )1.A. pen( )2.A. key( )3.A. the( )4.A. this( )5.A. yourB. pencilB. book B. of B. that B. her C. ruler C. notebook C. a C. please C. his D. ring D. dictionary D. an D. it D. I 答案 1-5 DABCD