6. I could have done better if I ____ more time.
A. have had
B. had
C. had had
D. will have had
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7. ---"What are the qualifications of a good worker?" ---"It is essential that he ____ efficient."
A. could be
B. can be
C. will be
D. be
8. If you had not gone with Tom to the party last night, ____.
A. you would meet John already
B. you won't have missed John
C. you will have met John
D. you would have met John
9. He ____ all his examinations easily if he studied.
A. can pass
B. could pass
C. will pass
D. shall pass
10. I’m not tired. If I were tired, I ____ a rest.
A. will
B. would have
C. would
D. were going to
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