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.
