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.
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.