“谢谢”和“多谢”的英文有：
It’s very kind of you.
I’m much obliged to you.
Thank you.
Thank you very much.
Thank you very much indeed.
表达感谢的对话：
L: Hello! How may I help you?
S: Hi! I’m trying to find a few books, but I’m lost.
L: OK. What books do you need to find?
S: I need to find three English conversation books by Professor Brown.
L: All right. Those books are at the main desk on the third floor.
S: How do I get there?
L: Just take this elevator up two floors. The desk is right outside.
S: Great. Thank you very much!
L: You’re welcome. Good luck!
说谢谢的场景：
1. 收到好友的生日礼物时，说：太感谢了，非常感谢。
2. 朋友做菜叫你品尝，你回答说：谢谢，那我就受用啦。
3. 初次拜访朋友，见到朋友母亲时，有礼貌的说：承蒙邀请，非常感谢。
4. 朋友挽留你多坐一会，你表示感谢说：谢谢，不过（再坐会）就要晚了。