精选优质文档-倾情为你奉上高一英语下完形填空完形填空AWhen a baby sees a ball, the baby may reach out for it. If the baby is very young, and you 21_ the ball behind a pillow (枕头), then the ball 22 exists for the child. As the child grows older, the child will move the pillow to get the ball. Even though the child cannot see the ball, the ball still exists. This is an early example of “learning to see the 23_ ”.Just about all of us have 24 , so we all think we can see. But, in 25 we are a
