根据对话内容，用合适的单词填空。

A: Good morning! 1____ are you from?

B: I'm from America. Do you work in a school?

A: 2____, I do. I 3____ English.

B: Can you 4____ Chinese?

A: Yes, but only a little. I go to the Chinese classes every week.

B: 5____ you 6____ working here?

A: Yes, the 7____ here are very friendly.

B: Do you 8____ any children?

A: Yes, I have two sons.

B: Are they 9____ you in Shanghai?

A: Yes, they are in Shanghai, 10____.

混凝土结构拆除模板后应进行哪些检查？