Hello, may I speak to Mr Green , please?—Sorry. He ________ a meeting. Can you call him later?

I don’t want to buy this pair of black shoes. I want to buy ________.

Don’t make any noise. The pandas over there.

Li Ping,what are you doing now? Why is the room_________smoke?[ ]

Do you like the music?—-Yes, very much, it sounds ________.