Question

The students were having their chemistry（化學(xué)）class. Miss Li was telling the children ___water was like. After that, she asked her students, “What's water?" ____spoke for a few minutes. Miss Li asked again, "Why don't you answer my question? Didn't you ______ me carefully just now?"

Just then a boy ____ his hand and said, “Miss Li, you tell us that water has no color and no smell. But where to ___such kind of water? The water in the river behind my house is always black and it has a _______ smell.” Most of the children agreed ___him. The boy went on saying: “My family and neighbors are ___about the water. We wonder when and how we can stop the factories from ____ the river.

“I’m sorry, children.” said the teacher, “Our water is getting ___That is what we should talk about next. ”

1.A. how B. what C. why

2.A. No one B. Everyone C. Someone

3.A. hear B. watch C. listen to

4.A. put on B. put up C. put out

5.A. find out B. find for C. find

6.A. good B. bad C. sweet

7.A. with B. to C. on

8.A. talking B. thinking C. worried

9.A. saving B. helping C. polluting

10.A. cleaner and cleaner B. better and better C. dirtier and dirtier

Answer 1