When you lose your way in the city, you can _________ the policemen _________help.
—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.
—________ I finish my homework now?—No,you ________.Your work is over today.
下面哪个标语提醒我们“严禁停车”?A.B.C.