Put in the past simple or past perfect.
1. Nobody (come) to the meeting because Angels (forget) to tell people about it.
2.Because he (not check) the oil for so long, the car (break) down.
3.It was a film I (never hear) of.
4. The lesson (already start) when I (arrive).
5.She couldn't find the book that I (lent) her.

1.came,had forgotten2.hadnt checked,broke3.had never heard4.had already started,arrived5.had lent