非常感谢你：Thanks a million./ Thank you very much./Words cannot express how thankful I am./I want to express the depth of my gratitude to you.
1.Thanks a million.
2.I must owe you one.
3.Thanks ever so./ Thank you very much.
4.Thank you for your help./ I appreciate you help./ I am gratitude to you for helping me.
5.I truly appreciate your timely help.
6.I thank you from the bottom of my heart.
7.My gratitude to you for all you have done for me.
8.Words cannot express how thankful I am.
9.All I could say is--thanks.
10.I want to express the depth of my gratitude to you.
1.You are very welcome.
2.You are more than welcome.
4.It was my pleasure.
5.It was nothing.
6.Don’t mention it, it’s my pleasure to help you.
7.Not at all.