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 |
I have no idea ______ it is that makes him puzzled.
| A．how | B．what | C． why | D．which |
He sat at the desk, __________ a novel.
| A．read | B．to read | C．reading | D．reads |
______ tourism developing, more and more people prefer to go travelling for a holiday.
| A．As. | B．With | C．Upon | D．For |
.--- I was lucky the win a gold medal in the800-metre race.
--- You ____ through hard training.
| A．must go | B．should go | C．must have gone | D．should have gone. |
—Excuse me, Dad, but I’m going to the club to meet my friends in the football team.
—OK. ______
| A．Have fun | B．Congratulations | C．With pleasure | D．Gook luck |