【多选题】腰椎间盘突出症根据突出的程度分为:( )
【判断题】短视频的转场特效可以起到承接作用,因此只能用在故事发生重大改变的时候。
【简答题】-- My son isn’t happy at his boarding school. I ____(send) him to a day school. Have you decided on the other school? No, but I ____(see) (=have an appointment with) the head of the Park School...
【单选题】Have you decided on / upon where to go?