Articles: A, An and The - 02

Fill in the blanks with a, an, the or - if not needed.
1. I live in Thailand.
2. I have pen. pen is expensive.
3. Earth moves around Sun.
4. My sister lives on Sukhumwit Road.
5. I have envelope. envelope is blue.
6. I wash my father's car in evening.
7. girl plays the guitar every evening.
8. They play volleyball.
9. The students play piano.
10. Pacific Ocean is very large.