Letter might have been sent to

----- Nội dung dịch tự động từ ảnh -----
letter might have been sent to
11. Someone might have sent the letter to the wrong address.
12. They were cleaning the floor when I arrived.
13. They are digging the hole on the wrong side of the road.
14. They are going to steal your money if you're not careful.
15. Has anyone ever asked you for your opinion?