1. The manager demanded that Mary _______ it within a week.
A. finish B. have finished C. finished D. had finished
2. What difference will it ________ whether he knows or not?
A. have B. get C. make D. take
3. --- Have you got any particular plans for the coming holiday?
--- Yes. ________, I’m going to visit some homes for the old in the city.
A. If possible B. If ever C. If busy D. If anything
