1. September is the ________ (nine) month of the year.
2. Jack is the ________ (twenty) student in our class.
3. I ________ (like) the lecture because it's boring.
4. Please tell ________ (I) about ________ (you).
5. Two ________ (hour) work make the old man tired.
6. She has ________ (lot) of pen pals from different ________ (country).
7. How much are the ________ (piano)?
8. The ________ (run) look very young.