1.Although it happened three years ago,I never forgot the evening party.
2.Last week I had an amusing experience.
3.I was walking in the street when...
4.When we arrived,they gave us a warm welcome.
5.At last,they saw us off and said goodbye.
6.We had a good time.
7.I learn a lot from it.
8.If it had not been for Li Hua,I would have got wet through.