35. Do what you should, give what you can, and then______.

A. you can mind your own business.

B. please mind your own business.

C. you will mind your own business.

D. mind your own business.　　　

34. The new generation computers, with artificial intelligence, _____ in the years to come.

A. developed　　　　　　　　　　　　　　　 B. have developed

C. are being developed　　　　　　　　 D. will have been developed　

33. The agricultural taxes of Chinese farmers have been cancelled. Never before in China _____for the farmers.

A. has so much been done　　　　　　 B. have so much been done　　

　　 C. has been done so much　　　　　　 D. so much has been done

32. The teachers of English have to continuously _____their textbooks to meet the　　 increasing demands of their students.

　　 A. upset 　　　　 B. upright　　　 C. update　　　　　　　 D. upward

31. How close parents are to their children _____a strong influence on the character of the children.

A. have　　　　　 B. has　　　　　　 C. is having　　　　　 D. will be having

30. All flights_____ because of the dense fog, many passengers could do nothing but take the train.

　　 A. had been cancelled　　　　　　　　　 B. have been cancelled

　 C. were cancelled　　　　　　　　　　　　 D. having been cancelled

29. -Did you visit the main Olympic Stadium for the opening ceremony during your stay in Beijing?

-No. We____ it, but we spent too much time travelling around.

　　 A. could have visited　　　　　　　　　　 B. must have visited

　　 C. can’t have visited　　　　　　　　　　 D. shouldn’t have visited

28. The ____of wheat to many countries is an important industry in the U.S.

A. production　　 B. process　　　 C. expense　　　 D. export