31. Not once ______ his view of life.

a. did the gentleman mention b. the gentleman mentioned that

c. the gentleman mentioned d. does gentleman mentioned

30. Not only ______ the data fed into it, but it can also analyze them.

a. the computer can memorize b. can the computer memorize c. do the computer memorize d. can memorize the computer

29. ______ no air or water, there would be no life in the world.

a. Were there b. There are c. There was d. Is there

28. _______ for the leadership of the Party, we should not have succeeded.

a. Had not it been b. Had it not been c. There was d. Is there

27. Barry can hardly drive a car, ______.

a. so can’t Molly b. can’t Molly either c. Molly can’t too d. neither can Molly

26. Here ______ you want to see.

a. the manager comes b. comes the manager

c. comes a manager d. is coming a manager

25. According to the periodic table, ______ still some elements undiscovered.

a. there seem to be b. it seems c. it seems to be d. here seems

24. Important ______ his discovery was, it was regarded as a matter of no account in his time.

a. to b. for c. as d. although

23. No longer are contributions to computer technology confined to any one country; ______ is this more true than in Europe.

a. nowhere b. hardly c. little d. seldom

22. Among these books ______ a dictionary that his father gave him as a birthday present.

a. have included b. is included c. has included d. are included