题目：
| 根据句意从方框中选择合适的词，并用其适当形式填空。 | |
2. The books are not Tom's. They are those __________. 3. The little boy looks _________ at us after he sees his parents. 4. There are at _________ thirty-two classrooms in our school. 5. These Chinese _________ cost 50,000 yuan. |
答案：
1. ninth 2. children's 3. happily 4. least 5. paintings
