They visit their grandparents on Sunday.(改为否定句)
问题描述:
They visit their grandparents on Sunday.(改为否定句)
答
在星期日,他们去拜访他们的外祖父母
答
They don't visit their grandparents on Sunday
答
They doesn't visit their grandparents on Sunday.
答
They doesn't visit their grandparents on Sunday