Đặt câu với từ "drop a line"
1. I must drop a line to my mother.
2. I will drop a line to him tomorrow.
3. We often drop a line to each other.
4. QQ is abrupt drop a line , remount is not ascended went up.
5. I must drop a line to my uncle to thank him for having us.
6. I must drop a line to your sister to thank her for helping us.