Complete the sentences using the verbs in the past simple, the past continuous, or the past perfect.

A. Rachel was embarrassed  because she............(bring) her dad`s boxer shorts to school.

B. When I reached school this morning, the classes.............(begin). Our English teacher was in the classroom and..............(explain) something. The students..............(sit) at their desks and..............(listen) to her.

C. When I..............(come) yesterday, I..............(find) that I...............(forget) to switch off the light in my room.

D. When I...............(go) to music school yesterday, I..............(meet) Lucille in the street. We................(not see) each other for ages, so we had a lot to talk about. We .................(chat) so long that I was late for my piano lesson.