Your best friend got you an Iphone as a birthday gift. What do you say to him/her?
Thank you very much. / Thank you. / Thanks a lot. / Thanks.
A: You found my wallet. Thank you very much! B: ... (Reply)
B: You're welcome. / My pleasure. / Sure, no problem. / You bet.
Your mom made a delicious meal for lunch today. What can you say to her?
Thank you very much. / Thank you. / Thanks a lot. / Thanks.