20. Why are Jim and Kate very happy？

A. Because they won’t have to move any more.   

B. Because they will go to another new country.

C. Because they can see their friends all over the world.

D. Because they can speak a lot of languages.

19. Which country are the Greens going to return to?

A. England            B. Japan             C. America            D. Australia

18. Where are Jim and Kate now?

A. In America          B. In England         C. In Australia         D. In China