--Hello, Max. How has you been these last days?
--Hey, very well, and you?
--Oh, I've been studying all time since I saw you last month.
--That's good! Then, you haven't had any amusement, don't you?
--Sure! I've decided to spent all my time studying. I want to improve the most my qualifications.
--Go on, then!
--Tell me, have you seen David these days?
--No, I haven't, but he has worked double time the last weeks.
--So, he has returned home very tired and hasn´t contacted anyone of his friend. I understand him.
--Well, my friend I must go
-- Bye. If you see David, tell him to phone me.
--OK, bye.