Last summer holiday, I went back to my hometown, _______ the neighbors and the house _____ I used to be familiar with were gone.
The British science fiction writer, Isaac Azimac, believes that robots are_____ ever to do harm to a human being.
______children get older, Doherty said, their brains may develop the ability to indentify visual context.
_____, I think, and the problem can be settled.
Just because Tom has made some mistakes, _____you follow that he is a bad boy?
He ______ chess well. But since he graduated from university, he almost has had no time to touch it.