Protect your hearing. Don’t wait until you ________ hear a thing.
needn’t
mustn’t
shouldn’t
can’t
It's time_______ an English lesson.
Joy is my_______ football player.
Tom needs some help_______ his homework. Can you help _______?
--Can I have_______ cakes, please? -Sorry, I don't have_______ cakes in my bag.
Kate_______ volleyball_______ in the match.