---Which one do you mean? ____ black one with a long tail?
A. an, The B. an, An C. the, The D. the, An
42. ---What happened to Tom?
---He was crossing the street ____ a motorbike hit him from behind.
A. while B. when C. until D. because
43. ---Dad, what’s the sea like?
---Well, it’s large and full of water. It covers about _____ of the earth.
A. one third B. three quarter C. three-fourth D. three quarters
44. ---Go and ask the waiter how much_____.
---Don’t worry. It has been _____.
A. does the meal cost, paid for B. the meal costs, paid
C. the meal spends, paid D. the meal costs, paid for
45. ---Does the child need any help?
---No. He is old enough to _____ himself.
A. put on B. wear C. dress D. take care
46. ---There can be no life on the earth without water.
---That’s right. Water _____ everywhere.
A. needs B. is needing C. is needed D. needed
47. ---Were you late ____the meeting?
---No, I arrived there ten minutes______ the meeting started.
A. for, before B. at, before C. for, till D. at, after
48. ---Excuse me, but I don’t think you can take photos here.
---Sorry I ____ this is no-photo zone.
A. don’t know B. didn’t know C. have no idea D. haven’t known
49. ---How many English words had you learned _____ the end of last term?
---Around 2000, but I’ve forgotten most of them.
A. by B. at C. to D. on
50. ---Are you learning art now during your spare time?
---No. I’ve stopped _____ Chinese medicine instead.
A. to learn B. learning C. learn D. studying