46. I don't know when he ______, but when he ______, I'll let you know.
A. will come/comes B. comes/will come C. comes/comes D. will come/will come
45. The research laboratory is going to ______ the new type of computer to use.
A. take B. make C. put D. send
44. "Have you _____ him to give up smoking?" "No. I _____, but he wouldn't listen."
A. persuaded/tried B. tried/persuaded C. tried/tried D. persuaded/persuaded
43.______,that step is not safe!
A. Look around B. Look up C. Look out D. Look down
42. The air liner from Beijing _____ at 3:00 p.m.
A. is about to arrive B. has arrived C. arrives D. is going to arrive
41. After a while an agreement _____.
A. was arrived at B. was arrived in C. was arrived D. has been arrived
40. It is high time you _____ in bed now.
A. are B. were C. will be D. would be
39. Bill said he ____ twenty-one the next year.
A. was going to be B. was about to be C. could be D. was to be
38. My brother _____ while he _____ his bicycle and hurt himself.
A. fell/was riding B. fell/were riding
C. had fallen/rode D. had fallen/was riding
37. Our teacher told us that the earth _____ from west to east.
A. turns B. turn C. has turned D. had turned