1.When the soldiers marched into the valley, they suddenly found themselves____ by enemy forces.

　　A. surrounding

　　B. surrounded

　　C. be surrounded

　　D. having surrounded

　　2. If you see her, please give my apologies _____ not having written to him.

　　A. about

　　B. on

　　C. for

　　D. at

　　3. Whether you learn or not is entirely ____ you.

　　A. up to

　　B. as to

　　C. about to

　　D. due to

　　4. Finally he managed to get into contact ____ them.

　　A. with

　　B. on

　　C. at

　　D. from

　　5. ____ of this room ____ empty.

　　A. Two-third; are

　　B. Two-thirds; are

　　C. Two-third; is

　　D. Two-thirds; is

　　6. ____ me, I shall not return there either.

　　A. As long as

　　B. As for as

　　C. As for

　　D. So as to

　　7. She could not ____ the horrible weather there.

　　A. walk

　　B. run

　　C. sit

　　D. stand

　　8. It is well known that Thomas Edison _____ the electric lamp.

　　A. invented

　　B. discovered

　　C. found

　　D. developed

　　9. Cheap coal _____ a lot of smoke.

　　A. gives up

　　B. gives in

　　C. gives away

　　D. gives off

　　10. I am looking forward ____ them nest week.

　　A. to seeing

　　B. to see

　　C. seeing

　　D. see

　　参考答案：

　　1-5:BCAAD6-10:CDADA

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