Відповідь:
1) I was doing my homework at that moment. 2) I was having a meeting with my friends at 6 p.m. yesterday.
3) They were playing football from 10 to 12 last Sunday.
4) She was sleeping when the telephone rang.
5) When he entered the room, his sister was reading a book.
6)We were eating a wonderful dinner at her birthday party
7)The baby was smiling up at her for the first time in its life.
8)I was writing letters to my mother yesterday for two hours. I sent them all after.
9)I was watching TV when she called.
10) Last night at 6 PM, I was eating dinner.
Пояснення: нашла в интернете