根据句意用括号内所给词的适当形式填空。
1. Thank you for _____ (organize) the class trip.
2. This is the _____ (child) playhouse.
3. His brother _____ (study) English very hard.
4. —Whose is this sweater? —It's _____ (he).
5. —What do you use to brush your _____ (tooth)?
—Toothbrush.
6. —Who _____ (cook) the meals in our home?
—My mother does. She is a very good cook.
7. —When is _____ (teacher) Day?
—On September 10th.
8. We are really _____ (excite) at the exciting news.
9. He is _____ (dress) up as a ghost.
10. Do you have _____ (some) books about Halloween?
