根据句意和汉语注释，在空格内写出单词的正确形式
【小题1】There is more  ______ (污染) in our city now than before.
【小题2】The Summer Palace is a beautiful and ________ (安静的) place.
【小题3】Now many new teachers go to teach children in the _______ (西北方) of China.
【小题4】It is polite of us to give our seats to       （患病的）people on the bus.
【小题5】When we go on a school trip, we’d better wear _______ (舒适的)clothes.

—The Summer Palace is wonderful. Have you ever visited any other interesting places?

—Yes. Also, we _________ to the Great Wall.

     A. have gone     B. have been     C. had gone     D. had been

_____beautiful park the Summer Palace is !

A. How   B. What a　　C. What   D. How a

用所给词的适当形式填空(10分)

1.___________, our planet, Earth is becoming more and more crowded.(sad)

2.Most of my classmates had gone to celebrate Mr. Wang’s_________(44) birthday when I got there.

3.Humans on Mars will have to wear special boots to make___________(they) heavier.

4.The dancer fell down while she______________(spin) on the stage.

5.At present, it may be difficult to imagine_______________(develop) the desert.

6.The big prize is for one of the most famous_____________(invent).

7.I don’t think man will have robots______________(control) computers in the future.

8.Are you certain meals in the form of pills are much___________(taste)?

9.How many___________( toy) trains does your brother have?

10.The Summer Palace is a famous Chinese-style garden___________(build) in a natural landscape.