问题补充：
— I am going to the dentist at 4 oclock and it is 3：30 now.
— Well, if you leave earlier today, please ask the director for permission.
A. can
B. may
C. must
D. will
答案：
A. can
B. may
(答案→)C. must
D. will
解析：考查情态动词。must在这里是“偏要”的意思。故选C。
如果觉得《— I am going to the dentist at 4 o'clock and it is 3：30 now.— Well if you leave earlier》对你有帮助，请点赞、收藏，并留下你的观点哦！
