Answers to the exercises

1.7.5. 1) What were you doing when your friend came? 2) What were you writing when the phone rang? 1.7.7. 8) It was raining at 11 o'clock yesterday. 9) Jack was swimming in the river while we were sitting on the bank. 10) My friends left home when I saw them. 1) Mike was listening to music when the teacher asked him a question. 2) The sun was shining brightly when we went out. 3) We took our seats and the performance began. 4) Jill played a computer game all the evening yesterday.