用所给单词的适当形式填空。 1. He usually ___________

问题：

用所给单词的适当形式填空。

1. He usually ___________ (go) climbing at weekends .

2. How many ___________ (country)  do you know in the world?

3. Are they from different ___________  (class)?

4. ___________ ( Chinese)  is  the  home  of Confucius (孔子) .

5. Jack is from ___________. He speaks ___________ ( American)