6и 7 6. write the time expressions in the correct columns: at. on. in. no preposition tuesday afternoon, 2 o'clock, the winter, 2010, next summer, mother's day, christmas, friday, september, last january, your birthday, 13th january, this afternoon, every sunday, dinner time, the weekend. 7. answer the questions. write true sentences. when is your what year were you what days do you study what days do you go to when is your friend's what time do you get up? when do you have your longest holidays?