Question

last heavy lines to finish a informal letter​

Answer 1

Answer:

the line is "give my regards to your parents and love to younger sister""

Explanation:

Answer 2

This is where you say goodbye. Typically, closing salutations for informal letters include such phrases as: "Yours truly,", "Your friend,", "All the best,", Take care,". These days, more informal closing salutations are also acceptable, such as: "See you soon,", "Don't be a stranger,", etc.

HOPE THIS HELPS YOU