31. The ________ discussed plan was carried out immediately.

A. carefully B. careful C. carelessly D. careless

30. Information has been put forward that more middle school graduates will be ________ into universities.

A. admitted B. accepted C. permitted D. allowed

29. -Don't put the waste on the ground.

-Oh, I'm very sorry. I ________ the dustbin there.

A. don't see B. isn't seeing C. didn't see D. haven't seen

28. -When did you go to the States?

-I remember ________ there when I was ten.

A. having taken B. to be taken C. being taken D. to take

27. By the time she ________ home, her parents will have prepared some delicious food for her.

A. will get B. will have got C. is getting D. gets

26. They're considering ________ us greater help in such matters.

A. to give B. giving C. to have given D. being given

25. You can't avoid ________ in language learning.

A. to make mistakes

B. from making mistakes

C. having made mistakes

D. making mistakes

24. During the scientific experiment, Mr. Chen carefully poured the water into the tube, with my classmates _______ beside to see what would happen.

A. were standing B. stood C. standing D. to stand

23. I don't think he meant to hurt you yesterday. I would rather he ________ .

A. didn't say that

B. don't say that

C. doesn't say that

D. hadn't said that

22. I really appreciate ________ to relax with you on this nice island.

A. to have had time B. having time C. to have time D. to having time