Tom and Mary have already climbed the Great Wall.{改为一般疑问句｝Have Tom and Mary 空 the Great Wall
问题描述：
Tom and Mary have already climbed the Great Wall.{改为一般疑问句｝
Have Tom and Mary 空 the Great Wall
答
Have Tom and Mary ( climbed ) the Great Wall( yet )?
答
Have Tom and Mary 【climbed 】the Great wall 【yet 】?
祝你学习进步，更上一层楼！ (*^__^*)
不明白的再问哟，请及时采纳，多谢！
答
Have Tom and Mary been to the Great Wall yet？
答
climbed
答
Have Tom and Mary climbed the Great Wall yet?