I'm so glad to hear from you 同义句!还有"please reply to simon's letter"的同义句

I'm so glad to hear from you 同义句!
还有"please reply to simon's letter"的同义句

1.I'm so glad to hear from you.
= I'm so happy/glad to get/receive your letter.
= I'm so happy/glad to get/receive a letter from you.
2.Please reply to Simon's letter.
= Please write (a letter) back to Simon.
注：/ 表示可以任意选用其一；（ ）表示可以省略不写.

I'm so glad to get a letter from you
please answerto simon's letter

I'm so glad to receive your letter
please write back to Simon
应该是吧!

Happy to recieve your words