1. 根据句意及首字母提示完成单词。

1. （1） English is now used by about a q of the world's population.

3. （2） England is an i country.

5. （3） English is now used as a working language between bosses and s.

7. （4） In r years there have been many changes.

9. （5） My son said he made an I friend from India.