she must live near here, for she comes to work on foot. she was absent from class. there must have been something wrong with her. the light was out. they must have gone to bed. mary’s score on the test is the highest in her class. she ___ have stu...
B.the number of traffic accidents has been increasing C.their fear is amplified by media exposure of crime D.crime rates have been on the rise over the years 7. According to child experts, how and when kids may be allowed more freedom depends on __...
更多内容请点击：2016年12月大学英语六级语法:must 用法