Выберите нужный модальный глагол:
a. I don't want anyone to know it. You (mustn't/don't have to) tell anyone.
b. Listen! I (can/must) hear someone crying.
c. When we were at school, we (had to/ought to) wear a uniform.
d. You (don't have to/mustn't) wear your seatbelt during the whole of the flight.
e. You (should/have to) tell her that you are sorry.