Fill in the blanks with past simple or past continuous

Exercise 1: Fill in the blanks with past simple or past continuous.
3. The student (talk)
2. He (cross)
3. The baby (sleep)
4. We (watch)
3. At 9 o'clock last night, I
when the teacher (arrive)
the stress when he (see)
whe I (knock)
the film when the electricity (go out)
an accident.
the door.
(do) my homework while my sister (
listen)
6. Peter (walk)
to music.
the dog at 5 p.m yesterday afternoon.
home when I ( meet)
my old
(come)?
7. 1 (go)
friends.
8. What
(you /do)
9.
10. While we (have)
when I
(he/study) when you (arrive)
a picnic, it (start)
Provcice 2+ Fill in the blanks with past simple or past continuous.
to rain.