---Must I be back home before 6 o’clock? ---No, you ____. But don’t be too late.
The bell is ringing. Hurry up, ________ you’ll be late for class!
Wang Lin reads books at the school library _______ the afternoon every day.
My _______ name is Guo Ping. We are in the same school.
Scott usually gets up at 6:10, then he cleans _______ room.
— What can you see on the desk? — I can see _______ pen.