31. There comes the time to ____. Do feel free to say what you want to.

A. hold the floor　 B. sweep the floor　 C. open the floor　 D. fix the floor

30. The hotel has been enlarged; ____, it’s service is improving.

A. as a result　　　 B. on the other hand　 C. in addition　 D. as well as

29. Having _____down the heavy burden, he _____down on the ground to relax.

A. laid; lay　　　 B. lay; laid　　　 C. lain; laid　　　 D. lain; lay

28. The only thing you can do is _____here patiently

A. to wait　　　　 B. Waiting　　　 C. wait　　　　　 D. to waiting

27. To keep the air clean, this hospital _____ all the patients ____ in and around it.

A. allows; smoking　 B. forbids; smoke　 C. prevents; smoke　　　 D. prohibits; smoking

26. The long speech given by that old professor seemed _____ and endless. He felt so _____ that he nearly fell asleep.

A. disappointed; boring B. disappointed; bored C. disappointing; bored D. disappointing; boring

25. The beggar is said _____a very rich man when he was young.

A. having been　　 B. was　　　　 C. to have been　　 D. to be

24. I ____to her for stepping on her foot.

A. apologized　　 B. excused　　　 C. explained　　　 D. owed

23. ____ a few students, the teacher is the first _____ the classroom.

A. Followed by; to enter B. Followed by; entering C. Following; to enter D. Following; entering

22. He focused his effort ____the house ___sale for fear that the prices of them would go up suddenly.　

A. on; for　　 B. on; in　　 C. to; for　 　　　D. to; in