-- Must I get up at 6 o’clock?-- No, you ______. You can get up at 7 o’clock.A. mustn’t B. needn’t C. can’t
It’s not polite to make fun of others.
Lucy is good at playing the piano.
May I have a rest? I have already finished the report.
It was stupid __ him __ this mistake .
We must do everything we can waste water from running into rivers.