题目内容：
For what do people say “thank you”? They say “thank you” for big favors as well as for __________.
参考答案：
答案解析：
填空题：For what do people say “thank you”? They say “thank you” for
- 题目分类：英语三级A级
- 题目类型：填空题
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They say “thank you” for big favors as well as for __________.