The population of the world ________still ________now.
_________ should not be allowed to go out at night.
—_____do you improve your listening? —I improve it ______ listening to tapes.
—Excuse me, is there hospital near here?—Yes, go down this road, it’s next to supermarket on your right.
A: Thank you for taking us around the Radio Beijing.B:________.
May I ask you __________questions?