【单选题】It’s ten o’clock. The book shop ______ now. It usually _____ at nine in the evening.
【单选题】It is ten o’clock. The president _____ in his office by now.
【单选题】()演练选择(或模拟)生产经营活动中的设备、设施、装置或场所,设定事故情景,依据应急预案而模拟开展的演练活动。
【单选题】()选择(或模拟)生产经营活动中的设备、设施、装置或场所,设定事故情景,依据应急预案而模拟开展的演练活动。
【简答题】It is eight o’clock. The children go to school by car every day, they are going to school on foot. It is ten o’clock. Mrs. Sawyer usually stays at home in the morning, but this morning, she is going t...
【单选题】车辆行驶时方向盘产生左右抖动是因为( )。