7、题,每题1分,满分10分)16. You cannot enter the music room ______ you get the teacher's permission. A. if B. before C. while D. as 17. A football fan(球迷) is ______ has a strong interest in football. A. a thing that B. something th
8、at C. a person who D. what 18. It was the third time that I _____ the film which my favorite actor played a part in. A. see B. saw C. have