VI. Read the conversation and fill in the gaps with appropriate prepositions of time. ( IN ,ON AT)
Mark: I'm sorry I was out when you called yesterday afternoon, Alice. Look, I'm free (1) _______ the fifteenth of March. Can we meet then?
Alice: I'm busy next week, I'm afraid. So, I can't see you (2) _______ Friday.
Mark: I'd like to have a meeting this month if possible because I'll be very busy (3) _______ April.
Alice: I'm going away (4) _______ Easter, so how about the week after? Shall we meet (5) _______ the twenty-seventh? That's a Wednesday.
Mark: OK. Let's meet (6) _______ Wednesday afternoon (7) _______ half past two.