题目

Last year, my friend and I went to a nearby town to attend a wedding. After thereception(招待会), we were  _____  for a bus to go back home. It was nine o'clock at night, and although many buses _____, none stopped. We waited for one hour and were getting  _____ . We couldn’t stay there for all the _____ because it was a weekday, and we both needed to  _____ the next day. It was almost 10 p. m. when a family who had _____ the same wedding passed by in their car. Probably  _____  that we were waiting for some  _____ of transport, they stopped and gave us a lift. I was _____ b17．在平面直角坐标系中，点A（2，1）关于x轴对称的点的坐标是（2，-1）．