They _______ the train until it disappeared in the distance.
【2013河北】Do you know ______ girl in green? She is our monitor.
【2013锦州】Can you see _________ sun at night?
【2013泉州】—Who’s ________ old man talking with your father? —He’s my uncle. A. a B. an C.the
【2013湖州】—John, may I use your car? I want to go to the library.—Sure. Here is ________ key.
【2013遵义】We should offer the seats to ________ old on the bus. A. an B. / C.the