Write the correct form of the words given in capital letters:
1. My school is the …………………..one in Thanh Oai District. (OLD)
2. All of us are are very good ………………….. (STUDY)
3. In our school library, there are four ………………….. (BOOKSHELF)
4. Hung visits his grandparents …………………..a week. (ONE)
5. My house is on the …………………..floor of that tall building. (NINE)
6. Nobody in my class is …………………..than Trang. (GOOD)