It is five o’clock on Saturday afternoon and Mary is in the kitchen. She is working. She is making dinner for some friends. At the same time she is drinking coffee. Her friends often come to dinner on Saturday. They usually arrive at about seven o’clock, and they bring their instruments (乐器). After dinner they play music and drink wine. They usually go home about midnight （午夜）. Mary is cooking Italian food today. She is listening to the radio and singing. 1. What time is it now?