buat dialog yg mengandung unsur 1. How to express offering, responding and declining something. 2. Expressions of disbelief and surprise. 3. Expressions to get

1. Express offering 
receiving
Rury : Would you like my help to clean your car ? it's very dirty.
Deny : That very kind of you. please do that. but you will tired, it will take a long time
Rury : don't think that
Deny : thank you so much
Rury : Ok

declining
Ali : Good afternoon Mr.Hasan. let me carry your suitcase to your room
Mr.Hasan : Oh, thank you. i can do myself
Ali : If so i will let you
Mr.hasan : yes please

2. Nina : Putri, congratulation that you have a beautiful baby
Putri : Thank you, i'am so glad
Nina : what is her name
Putri : i call her ayu

3. Putra : what about your new biology teacher ?
Putri : i don't understand her explanation. i need another teacher.