21. ---What do you think of modern art?
---______, it’s awful.
A. I like it very much B. I can’t agree more C. I don’t think so D. I can’t stand it
22. Now ______ good many old people are also fond of playing games on ______ internet.
A. the; 不填 B. a; the C. the; the D. a; 不填
23. To our surprise, Tom has ______ George as captain of our football team.
A. replaced B. placed C. covered D. reduced