12．This great event happened _____ the morning ______ February 7 th.

　 　　 A．on, of　　　 　　 B．in, of　　　 　　　　 C．on, on　　 　　　　 D in, in

11．I can’t find Mr. Li anywhere in the office building. Where ______ he have gone?

　 　　 A．must　　　 　　　　 B．could　　　 　　　 C．should　　　 　　 D．would

10．Tom pretended ______ it, but in fact, he knew it very well a long time ago.

　 　　 A．not to listen to　　　　　　　　　 　　　 B．not to hear about

　 　　 C．not to have heard about　　　　　 　　 D．not to be listening to

9．-I’m sorry, I didn’t do a good job.

　-Relax, relax. ______, you have tried your best.

　 　　 A．First of all　 　　　 B．In all　　　　 　　 C．At all　　　　 　 D．After all

8．-How did their teacher find the boy out?

　 -She ______ him on the name list of the class.

　 　　 A．came across　　 B．came down　 　　 C．came about　 　　　 D．came up

7．-Maria, how do you like The Talent Show of our class?

　 -Wonderful! ________.

　 　　 A．I have shown it　　　　　 　　　　　　　　 B．I’m very interested in it.

　 　　 C．I want to show it one more time　 　　　　 D．I’m trying it again.

6．-Sorry, I _____ to post the letter for you.

　 -Never mind, ______ it myself after school.

　 　　 A．forget, I’d rather post　　　　　　 　　 B．forgot, I’ll post

　 　　 C．forgot, I’m going to post　　　　 　　　 D．forget, I’d better post

5．We must keep our room clean, for dirt and disease go _______, you know.

　 　　 A．hand in hand　　 　　　　　　　　　　　　　　　　 B．step by step　　

　　　 C．from time to time　　 　　　　　　　　　　　　　 D．one after another

4．Many experts hold the view ______teacher development is ______the key to better education lies.

　 　　 A．which, where　　 　　　　　　　　　　　　　　　 B．on which, in which

　　　 C．that, where　 　　　　　　　　　　　　　　　　　　 D．that, in which

3．It is all known that Jessica Lynch is _______ among all the American women soldiers who　 were sent to Iraq.

　　　 A．the alive luckiest girl　　　　　 　　　　 B．the luckiest girl alive

　 　　 C．the luckiest alive girl　　　　　 　　　　 D．the luckiest girl living