Have you ever road the book Harry Potter?–Yes, and I think it’s very ______. I want to read it again.

Gina , isn’t this book ________?—– Yes , it used to belong to ____, but from now on it isn’t .

People, especially teens, think it_______ great fun to surf on________ Internet. — I agree with you.

Jim has made many friends since he ______ to China.

Peter doesn’t tell me when he _______. I’ll telephone you as soon as he ______.