1. This is____useful book. I've read it for hour.
2. _____elephant is much heavier than ____horse.
3. _____doctor told him to take______medicine three times____day.
4. Let's go out for _____walk.
5. There is____woman over there.____woman is Meimei's mother.
6. ____sun rises in_______east.
7. ______Changjiang River is______longest river in_______China.
8. Are you going to do it____second time?

1. I have _____ beautiful pen. _____ pen is blue.
2. It's_____dog.  Its color is _____ black.
3. _____ moon is big and bright (明亮的).
4.  This is _____ jacket.  It's _____ orange jacket.
5. Look at _____ boy.  He is _____ English boy.