To make our school more beautiful,rubbish________into the river.A.can’t throwB.mustn’t be thrownC.needn’t be thrown
Mr. Black asks the kids ________ in the river, because it’s too dangerous.
You have to leave now_______ you can catch the early bus.
---Were you at home at 7:00 yesterday evening? I called you but no one was there. ---Sorry, we ___________ a movie at the theatre at that time.
Helen got up too late this morning, so she went to school _____ breakfast.
---It’s too cold today. ---Yes, why don’t you _______ your coat?