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1. She´s developed a chronic cough.
    她的咳嗽已成了一种慢性病。

2. I have got a cough.
    我有点咳嗽.

3. I was twenty days hacking and hewing at it at the bottom.
    砍断它的根部用了二十天。

4. It was not unusual for him to cough for an hour.
    他常常一连咳上一个来小时。

5. I do not remember when he started to cough.
    我记不清父亲是什么时候开始咳嗽的,