1 A: Have you ever done anything for charity?
B: Yes, I run a marathon two years ago.
2 A: I hear there was a terrible hurricane in your country last week.
B: Yes, but fortunately lots of rescue teams arrive to help now.
3 A: Why did he lose the game last Monday?
B: He had sprained his ankle so he couldn't play well.
4 A: Jack looked very pleased when I saw him.
B: Yes. They told him he passed his exam.
5 A: Did she arrive on time?
B: No, we had waited for her for an hour before she came.
