It _________ be the only way to solve the problem. There are other choices.
may not
mustn’t
need
should
---____do you go to work? ---I take a bus.
Bob is good ________ music.He can be good ________ children in the music club.
__________ I like French very much, __________ I study it very hard.
Her sister is a nurse, so she always wears __________ uniform when she works.
My house is next to a park ______ many trees and flowers.