4. Don’t all speak at once!____ , please.

　A.each at one time 　B.One by one time　 C.One for each time　 D.One at a time

3. _____much advice I gave him , he did exactly what he wants to do.

　A. How　　 B. whatever　 C. however　 D. NO matter

2. shortly after we _____. A waiter came over to our table with a smile.

　 A. seated　　 B. were seated　　 C. sat ourselves　 D. took places

1.Careless driving ____a lot of highway accidents.

A, affect　 B. making　 C. causes　 D. results

30. The speaker raised her voice but still couldn’t make herself ______.

　 A. hear　 B. being hearing　　 C. to hear　　 D. heard

1-5 CCBCB　 6-1DACAA　　 10-15 CBBDA 16-20 DAAAD　 21-25BBBDA 26-30 BDADD

29. The computer center, ___ last year, is very popular among the students in this school.

　 A. open　　 B. opening　　 C. having open　 D. opened

28. Most of the artists ___ to the party were from South Africa.

　 A. invited　 B. to invite C. being invited　 D. had been invited

27. She’s upstairs ____ letters.

　 A. writes　　 B. is writing　 C. write　 D. writing

26. What’s the language ___ in Germany.

　 A. speaking　 B. spoken　 C. be spoken　 D. to speak

25. The next morning she found the man ___ in bed dead.

　 A. lying　 B. lie　　 C. lay　　 D. laying