ОТДАЮ 20 БАЛЛОВ!!!Choose the correct varianta) ... you tell me the

ОТДАЮ 20 БАЛЛОВ!!!
Choose the correct variant
a) ... you tell me the way to the nearest post-office?
А) may
B) can
C) must
D) have to
b) You ... take a bus to get to the museum
A) must
B) have to
C) may
D) can
c) All of us ... be in time for classes
А)can
B) may
C) must
D) could
d) Children ... not play with matches
А) could
B) can
C) may
D) should
e) I wanted to go the swimming pool too, but I ... not
А) may
B) must
C) could
D) have to