Complete the past continuous forms in the following.
1. I (read) a book when be came in/
2. The sun (shine) when I wentb out.
3. He (sit) in the hoyse when the house fell down/
4. When you came in I (write) a letter.
5 I came in while he (talk) on the phone.
6. It (rain) this morning when I got up.
7. He (work) all day yesterday.
8. They( live) in Prance when the war began.