---Look at the glasses on the desk.Are they David’s?---They belong to him.I saw him go out with glasses just now.
When Mary stood up to answer the question , she was _____at first but soon relaxed.
---How will you go to the zoo tomorrow? ---If it _____ tomorrow, I'll go there by car.
---Look at _____boy over there. Do you know him? ---Yes. He is from Shanghai .
— Make sure all the lights ______ when you leave the room. — OK, I will.
—We’ll have a new English teacher.—_______ Who is it?