用适当冠词填空
1.Mr.Chen is ______principal of our school.
2.I want ______apple .Please give me ______ one on the table.
3.______ sun is too bringht.Would you please close the curtain?（窗帘）
4.Is there a lot of ______food to eat?
5.She likes reading ______stories and playing ______ piano.
6.We'll take ______ exchange students to Shanghai.