Put the verbs in brackets into the correct tense. Use the past simple, past continuous or past perfect.
0. The dog bit (bite) the little girl and she started to cry.
1. Robert (fall) off the ladder while he (paint) his house.
2. When I go to school, I (realise) that I (forgot) my Biology homework.
3. What (you/do) yesterday at five p. m.?
4. Anna didn't see the children. When she (arrive), they (go) to bed.
5. When I was a teenager, I (spend) all my free time playing computer games.

0. bit. 1. fell, was painting. 2. realised, had forgotten. 3. were you doing 4. arrived, had gone 5. used to spend