Fill in the blanks with past simple or past continuous

Exercise 2: Fill in the blanks with past simple or past continuous.
down the street when it began to rain.
1 (walk)
2. At this time last year, I (attend)
3. Jim (stand)
4. The boy fell and hurt himself while he (ride).
5. When we met them last year, they (live).
6. The tourist lost his camera while he (walk)
an English course.
under the tree when he heard an explosion.
a bicycle.
in Santiago.
around the city.
7. The lorry (go)
8. While I
(have)
(study).
in my
very fast when it hit our car.
room, my
roommates
a party in the other room.
9. Mary and I (dance)
10. We (sit)
the house when the telephone rang.
in the café when they saw us.