A : Hi B.
B : Hi A.
A : What are you doing?
B : I have a homework . and its so hard
A: About what?
B : About the Function of Root in plants?
A : I Think , i know it.
B : Really? , can you give me some answers?
A: Yeah , so listen and write .
B : Okay
A: The Function of root in plants is to absorb water and salt in the land
B : Wow Thanks for the answer.
A : you,re welcome.