_______ for safety and efficiency.
a. being tested regularly b. to be regularly tested
c. be regularly tested d. regularly tested
28. 28. I remember ______ to the zoo by my father when I was little.
a. being taken b. taking c. have been taken d. to have taken
29. 29. I completely forgot ______ the front door last night and feel fortunate that nothing is stolen.
a. locking b. being locked c. to lock d. to have locked
30. 30. I regret ______ you that your application has been refused.
a. informing b. being informed c. to be informed d. to inform
31. 31. I didn’t mean ______ anything, but these apples looked so good I couldn’t resist ______ one.
a. to eat…trying b. to eat…o trying c. eating…to try d. eating…to trying
32. 32. I know it isn’t important but I can’t help ______ about it.
a. but to think b. thinking c. think d. to think
33. 33. The ship, ______ to a shapeless wreck, was hardly recognizable.
a. being reduced b. reducing c. reduced d. having been reducing
34. 34. The young doctor could not sleep at night, his thoughts ______ him no peace.
a. gave b. giving c. being given d. to give
35. 35. After a long walk on a hot day, one feels ______.
a. exhaustive b. exhausting c. exhaust d. exhausted
36. 36. Those relatives of his are ______ . I don’t want to have any dealings with them.
a. boring people b. bored people
c. people having bored d. people having boring
37. 37. You must follow the directions exactly and if you become ______, you must take the time to go back again and reread them.
a. to confuse b. confusing c. confuse d. confused
38. 38. There is something wrong with my TV set, I must have it ______.
a. checking b. check c. to check d. checked
39. 39. He was just about to jump up when he felt something ______ near his feet.
a. to move b. move c. moving d. moved
40. 40. ______ with the corresponding period of last year, the output of chemical fibers in the first quarter rose by 15%.
a. Comparing b. To compare c. Compared d. Compare
41. 41. “Was the rally successful?’
“No, because the number of ______ was smaller than we had expected.”
a. people who attend b. attended people
c. people attending d. attendance of people
42. 42. Uncle Dick has already arrive. Do you expect ______ to see him?
a. a. Going b. go c. to go d. that you go
43. 43. From the electric refrigerator Dick takes a carton of cream, another of fresh milk and a can of ______ orange juice.
a. a. frozen b. froze c. freezing d. freezed
44. 44. He felt bad for ______ a chance to study abroad.
a. having not given b. not having given．．網．文．檔．下．載．與．在．線．閱．讀．
c. having not been given d. not having been given
45. 45. In some countries there are already a number of firms ______ computer programming.
a. specialize in b. specialized in c. specializing in d. specializes in
46. 46. The young man who saw the car ______ into the river telephoned the police station.
a. plunge b. plunged c. was plunging d. to plunge
47. 47. While she was shopping, she kept ______ the list to make sure she hadn’t forgotten anything.
a. checked b. checking c. to check d. check
48. 48. You’d better ______.
a. to have your shoes mended b. to have mended your shoes
c. have your shoes mended d. having your shoes mended
49. 49. The machines are made ______ at full speed.
a. work b. working c. to work d. to be worked
50. 50. It is certain that men will never stop ______ new energy sources to power their growing industry.
a. finding b. to find c. having found d. found
51. 51. It is really quite extraordinary that we should have been at the same college without ______ before.
a. met b. being met c. having met d. having be