Помогите с кр по английскому прошу

Gary was riding his bicycle while Alan was skateboarding.
The policeman asked, “What were you doing at the time of the robbery?”
I passed the exam without difficulty.
Mum cooked dinner before dad came home.
She was writing a letter when the lights went out.
They went on holiday in June.
A woman from Vancouver found a bear in her kitchen.
When I was a teenager I played in the school basketball team.
My aunt Jane was driving to Oxford when I phoned her.
Paul got dressed, had breakfast and then went to school.