Which of the following places should we go to if we want to have a sporting meeting?
—May I take some pictures here?—Sorry,you mustn’t.Please look at the sign.It says“________”.A.NO PHOTOSB.NO TALKINGC.DANGER
Hurry up,or you ________ catch the train.
—Must I hand it in today?—No,you ________.You can do it tomorrow.A.mustn’tB.can’tC.needn’t
Don’t drink the soup.It smells ________.
—What are the school rules?—We ________ arrive late for class.