一、单项选择，每题1分，请将答案填写在答题卡上

1. You don’t have to take notes ________ I tell you to do so.  

A. if B. when C. because D. unless

2. ______, the boy won the prize. 

A. In surprise B. To our surprise C. Be surprised D. Be surprising

3. Li Ming is in poor health. He should pay more attention _________ exercise. 

A. to take B. to taking C. for taking D. in taking

4. You should keep working hard ____ you have passed the exam.

A. since B. because C. so D. even though

5. ------ Do you know where Li Ming is working _____? ------ Maybe in Guangzhou, I think.

  A. at first B. at least C. at last D. at present

6. My mother is strict both _____ me and ____ her work.

A. with; with B. with; in C. in; in D. in; with

7. How many states _______ the United States? Fifty. 

A. turn up B. make up C. end up D. give up

8. He thinks _____ history about Chinese is very important.

A. studied B. studying C. studies D. study

9. Can you learn English ________ chatting on the Internet? A. in B. with C. by D. for

10. I had some problems _____ my homework.  

A. to finish B. finishing C. finishes D. finish

11. He didn’t study hard, so he was afraid ______ in the exam. 

A. fail B. to fail C. failing D. failed