根据中文、首字母和句意完成句子。
1. A dancer needs a lot of _____ (能量) to dance.
2. It is i_____ for us to learn English well.
3. —Do you often e_____?
    —Yes. I like swimming very much.
4. The girl c_____ her diet because she wants to be healthier.
5. We like playing c_____ games and chatting with our friends on the I_____.
6. I ate two pieces of b_____, two eggs, a bowl of n_____ and some v_____ for breakfast this morning.
7. Let's buy some potatoes and _____(胡萝卜).
8. How often do you eat_____(水果) and vegetables?
9. You should eat h_____ food and e_____ more.
10. This fruit is yellow and it t_____ sour.