To keep the air fresh during the night, I often sleep with the windows on ________ it’s really cold.
In this hotel, we have two rooms to live in, but we can’t decide ______.
—_______is your husband? — A doctor. He works in a hospital near our home.
--- How much ______ that brown sweater? --- ______ six dollars.
-I’m leaving for Qingdao tomorrow. - ____________
-Do you think it will rain tomorrow? -________. Because farmers need rain very much.