—I’m leaving now.— ______ you turn off the lights.
--When did the World Exposition(世博会) in Shanghai begin? --The Expo began ________ May 1, 2010.
--It’s ________ nice day, isn’t it? --Yes, what fine weather!
We have_______ for you_______ a writer.
Don’t sing now. The baby ______ in the room.
Listen, who______ in the classroom?