根据对话内容，在空白处填写适当的话语（话语可能是一个句子，也可能是一个短语或一个词），
使对话完整。
Chen: Zhu, is that you?
Zhu: Yes. You're Chen, aren't you?
Chen: Yes, 1._____________. You've changed a lot!
Zhu: 2. ? How?
Chen: You used to be short. Now 3. ____________.
Zhu: Yes, I am.
Chen: 4. ____________. Now you have short hair.
Zhu: Yes, that's right.
Chen: And you used to wear glasses.
Zhu: Yes, I still do. But today I have contact lenses (隐形眼镜).
Chen: You used to play the guitar, didn't you?
Zhu: No, I played the piano. My friend Xiao Li 5. ____________.
Chen: Oh, yes. I forgot.
