Once ______ from space, the Great Wall is till great in sight.

You can not imagine a child ________so cruelly.

 When you’re learning to drive, _______ a good teacher makes a big difference. 

At school, it is essential that every child ______ equally regardless of family background. 

“Neal, listen，” she said, looking straight at him. “I ask you not to get ________ in this kind of matter. It's none of your business.”