根据对话内容，在空缺处填上适当的单词。

Danny: Hello! Is that Jenny?

Jenny: Yes. 1.               is Jenny speaking. Who's that?

Danny: Danny is 2.               . May I ask you a funny question?

Jenny: Yes, you may. 3.                is it?

Danny: What does the big chimney (烟囱) say to the little chimney?

Jenny: Sorry. I don't 4.               .

Danny: He says, "You're too 5.               to smoke (吸烟)."

Jenny: Haha, Wonderful!