Ex. 1. what were you doing at the following times? write one sentence as in the examples. 1. what were you doing at 8 o'clock yesterday evening? i was having dinner with some friends. 2. at 3 o'clock last sunday? 3. at 9.15 yesterday morning? 4. at 5.30 this morning? 5. at 7.40 yesterday evening? 6. half an hour ago?