词汇运用。 1. There are four s _____ in a year. 2. It's _____ (重要的) for you to drink a lot of water every day. There are no calories in water. 3. Health is wealth. Everyone in the world wants to be _____ (health). 4. We have breakfast because we need lots of _____ (能量) to study and work. 5. He leaves home without _____ (say) anything to his parents. 6. Her house is next to mine. She's my n _____ . 7. The sun shines t _____ the window in the room. 8. Kitty and Amy want to be _____ (dance) when they grow up. 9. If you want to keep healthy, you must _____ (改变) your diet. 10. Millie swims _____ (two) a week.