【简答题】请补充源程序空白处,使程序能够正常运行。
【简答题】请补充源程序空白处,使程序能够正常运行。
【简答题】请补充源程序空白处,使程序能够正常运行。
【单选题】All the students are cleaning. ________ are cleaning the floor, and ________ are cleaning the desks. [ ]
【单选题】Look! The students _____ the classroom.
【单选题】My parents the room now. [ ]
【简答题】请补充源程序空白处,使程序能够正常运行。
【简答题】请补充源程序空白处,使程序能够正常运行。