Ключевой диалог урока:
A: Sorry to bother you Manvel.
B: That’s all right. How can I help you?
A: A few people from the office are coming to our place Saturday evening. Can you come too?
B: I’m sorry, I’d like to but I can’t. I won’t be here on Saturday. A friend of mine has invited me to visit him in Boston this weekend.
A: That’s too bad. Maybe some other time.