1. ______ I known it, I would have told you.
A. Have B. If C. Had D. Having
2. The headmaster required that all the teachers ______ at the meeting.
A. present B. must be present C. be present D. would be present
3. The mother rejected my suggestion that she ______ her daughter the next week.
A. met B. meets C. would meet D. meet
4. It is necessary that anyone ______ exercises every day if he wishes to keep healthy.
A. do B. would do C. did D. will do
5. It is high time that we ______ all ready for this aftern oon meeting, ______it would be late.
A. must get, or B. got, or C. should get, and D. get, and
6. In spite of the noise, he went on working ______ nothing were happening.
A. as if B. because C. although D. where
7. ______ the flood, the ship would have reached its destination on time.
A. In case of B. In spite of C. As of D. But for
答案：1. C 2. C 3. D 4. A 5. B 6. A 7. D