Mr. Wang often says to her child, “You _______ play with fire(火). It’s dangerous.A. mustn’t B. had better C. needn’t
Jim is ______ honest boy. He is also ______ most hard-working student in our class.
Our teacher told me ______ football in the street.
I must stay here _________ better.
This kind of soup ________ delicious. I like it a lot.
---Are you _______ in sports? ---No, I like ________ computer games.