—Who’s singing in the next room?—It ____ be her. She has gone to New York.
Well, if you take this medicine __________, you’ll be better soon.
---Do you mind my smoking here? ---_________, Look at the sign. It says, “No Smoking.”
A number of tourists _________ Yangzhou many times because it is such a beautiful city.
We _________ six days a week, but now we only work five days.
Listen! The music sounds very _________.