--- _________ I open the door, Mary?--- ___________.
Sun Yang is a tall man __________ short black hair.
When ______ the shop _______ every day? From 8.00 a.m. to 10.00 p.m.
---How many_________ are there in your school? ---Twenty.
My grandmother eats _______ food, so she is in good ________.
——________do you go to the dentist? ——Let me see, twice a year, maybe.