Упр 1.Вставивьте предлоги in, on или at. ( правило на странице 45!)
1.___ ten o'clock, ___ 2.15
2.___ Monday, ___ Tuesday
3.___Monday morning, ___Tuesday afternoon
4.___the weekend, ___ weekends
5.___ Christmas, ___ Easter
6.___ January, ___ February
7.___ 1st May, ___ 7th June
8.___ 1930, ___ 1992, ___ 2001
9.___ the summer, ___ the winter