— I’ve taken someone else’s green sweater by mistake.
— It ______ Harry’s. He always wears green.
| A．has to be | B．will be | C．mustn’t be | D．could be |
Once you get 
_______ something, it is very hard to ________.
| A．addicted to; rid yourself of it | B．used to; rid yourself of it |
| C．accustomed to; be got rid of it | D．addicted to; get away with it |
That was really a splendid evening. It’s years ________ I enjoyed myself so much.
| A．when | B．that | C．before | D．since |
58. Sometimes, the entrance tickets are _______ free of charge from the university.
| A．available | B．valuable | C．imaginable | D．comfortable |
I have never dreamed of _______ such a good hotel in this town.
| A．there was | B．there is | C．there being | D．there have |
第四部分：单项选择（共10小题，每题1分，共10分）
______ for our teachers, we’d never have been able to enter this university.
| A．Had it not been | B．Had it not |
| C．If it was not | D．If he had not been |