[مستر محمد ديوشي عطا]

9. A : Why did you take a long time in doing this test and research
B : Because it’s laborious
Place: University
SA: Professor
AB: Researcher
Function: Asking and and giving reason

10. A : Can l help you
B : I'd like to buy a gift wrapped up with attractive coloured paper
A : At your service
Place: Gift shop
SA: Salesperson
AB: Customer
Function: Offering help / Request / Accepting