Is the modern racing car outside ______, Laura? —Of course not. Nobody but Jim can afford such an expensive car. It must belong to ______.

About _______ of the books in our school library are written in Chinese.

Is that Lucy’s sister, Lily?—No, it _______ be her. She has gone to English.

Tom! Don’t put the book so close to your eyes! Move it a bit. — OK, mom. Is it all right?

It has to be a place we can do lots of exercise.