Question

.........i smoke here? yes, but you........ throw ashes on the floor
(a) may/should
(b)might/must not to
(c) can/mustn't
(d)could/ought to
(e) would/shouldn't

Answer 1

letra C can/mustn't espero ter ajudado

Answer 2

.......I smoke here? Yes , but you........ throw ashes on the floor. (c) can/mustn't