在括号中填所给词的适当形式（英语）david's friend _____ (dance) in the classroomit is six o'clock in the morning .helen ____ (get )up
问题描述：
在括号中填所给词的适当形式（英语）
david's friend _____ (dance) in the classroom
it is six o'clock in the morning .helen ____ (get )up
答