1. 根据句意及首字母或汉语提示完成句子。

1. （1） 一 May I speak to Mary?

   一 H the line, please.

3. （2） She is old enough. She can look after h.

5. （3） We didn't say anything. We walked home in s.

7. （4） I regret  (伤害) you.

9. （5） At  (起初), I was so happy.