在下面对话的空格内填上一个适当的词，使对话意思完整，语句正确。

A: Huang Xumei, I'm glad you can come for our Thanksgiving (感恩节) dinner.

B: Thanks for 1.             me, Helen. Why do you call it dinner when we are eating at noon?

A: Because it's a big 2.             We call it dinner when we have a lot to eat.

B: Is that a chicken? It's so big!

A: No, it's a turkey (火鸡). It's 3.              bigger than a chicken.

B: Why do Americans and Canadians celebrate (庆祝)Thanksgiving?

A: It's 4.             your Mid-autumn Festival. In China, families get together and enjoy looking at the bright,

    round 5.             In America and Canada, families get together to celebrate the harvest (收获).

B: So we each have an autumn festival. Something is the same in China, America and Canada.