8. In England, Chinese is now being taught in over 500 schools, and some of them have been made it a _____.

　　A. contradictory

　　B. compulsory

　　C. contemporary

　　D. temporary

　　9. --Why don't you stay a little longer?

　　　--______, but it's already late. I'd better be going right now.

　　A. I wish I could

　　B. Don't mention it

　　C. Nice to meet you

　　D. I didn't hear what you said

　　10. --What do you think of her suggestion?

--_____, it would be much more sensible to talk about it later.

　　A. Usually

　　B. Generally

　　C. Exactly

　　D. Actually

　　11. _____ you have to do the job, you should try your best to do it well even though it may be very difficult for you.

　　A. While

　　B. Since

　　C. Unless

　　D. Though

　　12. You _____ something great, otherwise you wouldn't have got the promotion.

　　A. should do

　　B. must do

　　C. should have done

　　D. must have done

13. What you do not want _____ to yourself, do not do to others.