-It’s time for the weather report. Could I__________ the TV, Dad? -Go ahead, please. I also want to know about the weather for tomorrow. A. turn on B. turn off C. turn down
-Mum, must I stay there the whole day? -No, you__________. You__________ come back after lunch, of you like. A. mustn’t; can B. needn’t; must C. needn’t; may