Protect your hearing. Don’t wait until you ________ hear a thing.
needn’t
mustn’t
shouldn’t
can’t
— Can you play the guitar? — _________________.
Miss Read is good ________music.She can be good _______ children in the music club.
He can swim very well, ______ he doesn’t want to join the club.
Are you good at playing _______ guitar or _______ basketball?
He is __________ father.