$4 We (met / were meeting) them when we (stood / were standing) at the bus stop. 5. She her Granny when I When his parents dinner Tom (bought./ was buying) a present for (saw / was seeing) her. 6. (had / were having) (arrived / was arriving). (slept / was sleeping) when his mother (came / was coming) back. 8. A few days later while he (had / was having) tea the postman (brought / was bringing) him a letter from his friend. 9. When the teacher (came / was coming) into (sat / were the classroom, the children sitting) at their desks. 10. One day while she 20 (read / was reading) (sat / was sitting) a book, a big black fly down on her book.

Ответ:

Объяснение:

4.met,were standing

5.bought,was seeing

6.were having,arrived,slept,was coming

8.was having,brought

9.was coming

10.read,was sitting