107.新中国成立后,毛泽东指出我国工人阶级和民族资产阶级的矛盾属于

29 ( ) go to the Great Wall for a visit?

28He couldn’t use his own car because it ( ) then.

27She is ( )to refuse, so I have to give in.

26We all enjoy working ( ) him because he is a kind leader.

25Hardly ( ) the classroom when the class began.

24My parents never let me ( ) alone.

23( ) their homework, the children went for a walk.

22My father ( ) an invitation to a dinner party, but he ( ) it.

21 Generally, the thicker a mammal’s (哺乳动物) skin is, the less hair ( ).

20On Sundays I prefer ( ) at home to ( ) out.