—Is this your baseball, David?   —No, it's not     . It's Helen's.

---________ is your school life like?   ---It’s very wonderful.   

We wear the same shoes today, but she wears a different ______.

Though I ______ the telephone number many times, the foreigner couldn’t write it down.

---Did the actor live alone in his house? ---Yes. He has a wife and two children. But ____ of them lives with him.