【单选题】When the little girl got back her answer sheet,she could not help ______ .
【判断题】串行口通信中第9数据位的功能可以由用户定义。
【判断题】鼓浪屿-万石山风景名胜区位于福建省厦门岛南部,与金门岛隔海相望,总面积多平方公里,有“海上花园”之称。
【单选题】——How is it that you know she’s got back from the UK? ——She ____ when I came out of the house this morning.
B.
happened to have passed