一、信开头：I’m pleased to hear that you’re coming to China for a visit.
I’m writing to thank you for your help during my stay in America.
结尾：I’m looking forward to your reply.
一、信开头：I’m pleased to hear that you’re coming to China for a visit.
I’m writing to thank you for your help during my stay in America.
结尾：I’m looking forward to your reply.