"I'm glad to receive your letter" 是一句很常用的表达方式，表示收到某人的来信，并对此感到高兴。
来源：这是一句常用的英文表达方式，常用于书信、电子邮件等场合。
例句：
I'm glad to receive your letter. (我很高兴收到你的来信)
I was depghted to receive your letter. (我很高兴收到你的来信)
It was great to hear from you, I'm glad to receive your letter. (能收到你的来信真是太好了，我很高兴)