Определите время у предложений 10 We were having tea at 5 o’clock. 11 They had

been staying at the hotel since May. 12 I was flying to London that morning. 13 I had known Mark all my life. 14 The waiter entered the dark kitchen. 15 We arrived yesterday evening. 16 He was constantly missing the first class. 17 I lived in the country last summer. 18 Lara had been writing with my pen for a week.