1. 根据句意及首字母提示完成句子

1. （1） Thirty m is half an hour.

3. （2） One k is 1000 meters（米）.

5. （3） Mary wants to buy a n computer. Her old one is broken(坏的).

7. （4） He gets up early e morning.

9. （5） —How do you get to work, Emma?

   —I get to work b bike.

11. （6） —How f is it from his home to school?

    —About 500 meters.

13. （7） My father d his car to work every day.

15. （8） Tom and Jerry r their bikes to Uncle Ma's farm twice a month（一个月两次）.

17. （9） —What's twenty and sixty?

    —It's e.

19. （10） 100 means (意思是)a h.