— __________ we leave the library before 5 o’clock?
— No, you needn’t. You can stay here until 5:30.
A.Must | B.May | C.Can | D.Could |
— __________ we leave the library before 5 o’clock?
— No, you needn’t. You can stay here until 5:30.
A.Must | B.May | C.Can | D.Could |