在括号中填所给词的适当形式(英语)
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
is dancing
is getting确定吗?确定you must take your umbrella,it ____(rain)is ,raining