1..Hello!

---Hello!

2.Good morning!早上好

Good morning!早上好

3.Good afternoon!下午好

Good afternoon!下午好

4.Good night!晚安

Good night!晚安

5.Nice to meet you!见到你很高兴

Nice to meet you,too.见到你也很高兴

6.How Are you 你好吗？

I 'm fine,thank you.我很好，谢谢你。