根据旬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?
