Question

The boy _____ with a knife when he _____ his finger. (PLAY, CUT)

1played, was cutting
2was playing, cut
3was playing, was cutting
4were playing, cut

Answer 1

Правило продолжительного действия,прерванного в прошлом

The boy was playing(past continuous) with a knife when he cut(past simple)his finger

Answer:2)