71. Good heavens! There you are! We _____ anxious about you, and we _____ you back throughout the night.

A. are; expect

B. were; had expected

C. have been; were expecting

D. are; were expecting

72. I’ve finally finished my paper and it _____ me an entire month.

A. takes

B. took

C. was taken

D. had taken

73. The traffic in our city is already good and it _____ even better.

A. gets

B. got

C. has got

D. is getting

74. — Has Jack finished his homework yet?

— I have no idea; he _____ it this morning.

A. was doing

B. had been doing

C. has done

D. did

75. — I will come to attend your lecture at 10:00 tomorrow.

— I’m sorry, by then my lecture will have ended and I _____ my guests in my office.

A. is being met

B. will meet

C. will be meeting

D. will have met

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