--- Do you know his ________? --- No. I only know he lives in Hongqi Street. We can call him before we go to his house.
— I can’t give up smoking, doctor. For your health, I’m afraid you _______.
--_________ I come back before five o’clock? --No, you________. But you can’t be back later than seven o’clock.
---Must I tell Mike about it? ---No, you _______. He’s already been told.
We brush our teeth twice a day.
My mother is ill. I ______ stay at home to take care of her.