— Dad, can I go to the movies tonight? —
问题:
— Dad, can I go to the movies tonight?
— Sure, but you _____ come back home before 9 o'clock. [ ]
A. can
B. must
C. may
D. might
— Dad, can I go to the movies tonight?
— Sure, but you _____ come back home before 9 o'clock. [ ]
A. can
B. must
C. may
D. might