mum
                    - Mum, must I wash the dishes right now?—No, you ____.
 - Mum, must I wash the dishes right now? –No, you______.
 - Mum, must I wash the dishes right now?— No, you ______.
 - Mum is ill in bed now. I must ____________ her.
 - Mum, will you buy me the new iPad after the Entrance Examination?— I’m afraid I ________, dear. We are short of money now.
 - Mum ________ to us, “Be quiet! Your little sister’s sleeping.”
 - Mum, can I watch TV now? — No, you . It’s too late.
 - Mum, why not ___________ having hamburgers instead of dumplings?
 - Mum, why not having hamburgers instead of dumplings? —-Good idea.
 - Mum, I’m going out with my classmate tonight. —OK. But you’d better _____ back too late.