Do you have any trouble the foreigners?
Mr. Wang often says to her child, “You _______ play with fire(火). It’s dangerous.” A. mustn’t B. had better C. needn’t
—Could you please ________us some stories?—OK. A. say B. talk C. tell
My uncle says that it’s his duty ________the patients. A. save B. to save C. Saving
As we know, ________ is good exercise and it is necessary for health. A. walk B. walks C. walking
—Must I finish my homework before I go home? —No, you ________. But you ________ finish it before tomorrow. A.mustn’t, must B. needn’t, must C. needn’t, mustn’t