根据图片内容,完成对话.(图一为两个人在食堂吃饭)A:Where are they?B:( ) A:What are they doing?

问题描述:

根据图片内容,完成对话.(图一为两个人在食堂吃饭)A:Where are they?B:( ) A:What are they doing?
B:( )

Athey areat the canteen
B they are having meals