1. After the war，a new school building was put up ________ there had once been a theatre.
A. that B. where C. which D. when
2. ____ he took part in the competition, he won a second prize.
A. For the first time B. At a time
C. At one time D. The first time
3. I would appreciate it _______ you call back this afternoon for the doctor’s appointment.
A. until B. if C. when D. that
4. I had just started back for the house to change my clothes _____ I heard the voices.
A. as B. after C. while D. when
5. The class went on with the story _____ they had left it before the holiday.
A. where B. which C. in which D. when
6. The company has a free long-distance telephone number _____ customers may call with any questions they have about its products.
A. although B. as C. even if D. so that
7. -- Is Mr. Smith in the office?
-- Yes，________ he is in charge of the office，he must be there.
A. since B. however C. whether D. for |
