--______ is your house from the factory?  --It’s about twenty minutes’ walk.

Billy: I’ve been fixing the computer for over three hours, but it still doesn’t work. Nana: Why don’t you take a rest and try 　　　?  Maybe you’ll do better then.

---Did you find the small village yesterday? ---Yes, without any difficulty, for it has __________changed over years.

---_____ did you pay for the CD?---Only nine dollars.

— Steve is good at writing short stories. — Yes, he is. But he writes          than us, so he doesn’t get good marks in writing.