4. The river smells bad. The villagers have p      it with much litter.

3. She has failed her exam again. What a  s      ！

2. Eric's room is in a m       because he hasn't cleaned it for two weeks.

1.In summer，we can always see s       bees and butterflies flying around the flowers.

根据提示写一篇80词左右的短文，以"Trees' Functions"为题，说明树木对于人类的重要性。

提示：1.树木可以使环境更美，并有助于空气清新，有利于身心健康。

2. 木材可以用于建筑，还可用于制造许多其他的东西。

3. 我们应大力号召人们植树造林，保护树木，严禁乱砍滥伐，以保持生态平衡。

Trees' Functions

A：Hi，Kate speaking.

B：Hi，Kate！ 1      Do you want to see a film this afternoon? 

A：Oh，that's very nice of you to invite me. 2      

B：It's about animals in danger, and what the government is doing to protect them.

A;Oh,that sounds interesting. 3      

B：It starts at five o'clock. Let's meet at half past four.

A;OK. 4       

B：At the school gate. 

A：OK. See you then，Lucy.

B_: 5      

1.  

2.  

3.  

4.  

5.

Water is the "life blood" of our earth. It is like air and sunshine，and it is very important 1       living things.2   water, there couldn't be any life on the earth. All animals and plants need water. Humans also need water. We need water 3      ，to cook and to clean4       It even makes up the greater part of our bodies.

Water is almost5       Even in the driest  (最干旱的)places of the world, there is water in the air. 6       ，we can't drink sea water but fresh water. What's worse，people often fail to keep water clean. They 7       rubbish into rivers, lakes or seas. So not all fresh water is 8       for us to drink. We're short 9       water. 10      must be done to solve this problem. Let's do our best to protect and save water.
(   ) 1. A. for    B. to C. of    D. at

(   ) 2. A. With    B. Without C. No    D. At

(   ) 3. A. to eat    B. to drink C. drink    D. have

(   ) 4. A. us    B. himself C. ourselves    D. our

(   ) 5. A. anywhere    B. somewhere C. everywhere    D. nowhere

(   ) 6. A. Though    B. Because C. However    D. So

(   ) 7. A. give    B. throw C. take    D. bring

(   ) 8. A. enough good B. dirty enough C. clean enough  D. enough clean

(   ) 9. A. for    B. in C. at    D. of

(   ) 10. A. Someone    B. Something C. Anything    D. Nothing

5. cut down，cut off

This article is too long. It needs to be         by half. My uncle's finger was       by a machine.

4. something, anything

I'm hungry. Can you offer me       to eat? Please make sure that you don't leave      in a public place.

3. none, no one

of my friends know how to play the piano. He had       to depend on，so he felt helpless.