2.unfortunately, it's not easy to live in a city. without a job, one____________ not be able live a good life.
A.ought to
B.must
C.can
D.might
3. we have a lot of activities tomorrow. you_______ not be late
A.must
B.may
C.ought to
D.shall
4.they________ won the basketball match but alan hurt his ankle. (past possibility)
A.could have
B.must have
C.would have
D.shall have
5.You________ not smoke inside the school it's a clear violation of the schools rules and regulations
A.must
B.may
C.ought to
D.shall​