what's the key to No.4?

Food is very important. Everyone needs to ____1____ well if he or she wants to have a strong body. Our minds also need a kind of food. This kind of food is _____2____. We begin to get knowledge even when we are very young. Small children are ____3____ in everything around them. They learn _____4____ while they are watching and listening. When they are getting older, they begin to ____5____ story books, science books…, anything they like. When they find something new, they love to ask questions and ____6____ to find out the answers.

What is the best ___7___ to get knowledge? If we learn ____8____ ourselves, we will get the most knowledge. If we are always getting answers from others and do not ask why, we will never learn well. When we study in the _____9_____ way, we will learn more and understand _____10_____.

1. A. sleep B. read C. drink D. eat

2. A. sport B. exercise C. knowledge D. meat

3. A. interested B. interesting C. weak D. better

[color=red] 4. A. everything B. something [/color]
5. A. lend B. read C. learn D. write

6. A. try B. have C. swim D. wait

7. A. place B. door C. way D. lessons

8. A. on B. with C. to D. by

9. A. wrong B. right C. bad D. difficult

10. A. harder B. much C. better D. well

a,意思是他们会通过看和听学习每一样东西