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.