第二部分英语知识运用（共两节，满分45分）
第一节：单项填空（共15小题；每小题1分,满分15分）
从 A、B、C、D 四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21．— We could invite Barbara to the barbeque this Saturday．
— Yes, ______
A．that's all right． B．why not? C．I wonder． D．why?
—I’m terribly sorry, sir. I thought it was a parking lot.
—, Here is your ticket.
| A．You’re right | B．I can’t agree with you | C．Sorry, that’s no excuse | D．It doesn’t matter. |
If we sit nearfront of the bus, we’ll havebetter view.
| A．the, a | B．a, the | C．the,× | D．×. the |
— According to my grandma, it is a good idea to eat chicken soup when you have a cold.
— ________, scientists agree with her.
| A．Sooner or later | B．Once in a while | C．To be exact | D．Believe it or not |
The country has already sent up three unmanned spacecraft, the most recent ________ at the end of last March.
| A．has been launched | B．having been launched |
| C．being launched | D．to be launched |
So much of interest ________ that most visitors run out of time before seeing it all.
| A．offers Beijing | B．Beijing offers | C．does Beijing offer | D．Beijing does offer |