用适当的冠词填空，不需要处用“/”表示。
1. There is ___________ pen and ___________ pencil in my pencil-box, ___________ pen is red,
and ___________ pencil is black.
2. Miss Wang is ___________ English teacher. She teaches in ___________ primary school.
3. I like ___________ yellow skirt in the window.
4. Su Hai doesn't like ___________ old bike.
5. It's ___________ 18th of December.
6. Do you have ___________ watch?
7. I don't like playing ___________ guitar.
8. What's ___________ score?
9. Is Liu Tao in ___________ corner with ___________ ball?
10. I get up at seven in ___________ morning.
11. What's this? It's ___________ orange.
12. There's ___________ " h" in the word " hour".
13. Liu Tao is ___________ tallest boy in our class.
14. ___________ students here study very hard.
15. There is a garden in ___________ front of ___________ house.