【单选题】—Why are you so excited? —Lucy invited me ______ to her birthday party.
【判断题】重心、重心线、支撑面与人体运动规律关系十分密切,重心线落于支撑面以外,人体才能保持平衡。
【判断题】重心、重心线、支撑面与人体运动规律关系十分密切,重心线落于支撑面以内,人体才能保持平衡。
【单选题】As time went on, Lucy began to wonder if John ___ their date.
【单选题】All the students went to the Blue Water Aquarium ______ Lucy because she was ill in hospital. [ ]