根据图片及首字母提示填写单词,使对话或句子完整。
1. - Where a_______ you from?

-I am f_______ America.
2. My n_______ is Bai Ling.

I am a s_______ .
3. He is Mr Wang. He is f_______ Canada. He is a math t_______ .

4.-W_______ back! Nice to see you, Mary.

-Nice to see you,_______ , Miss Green.