They were sailing across the lake ____ it started to rain.
because
when
He was ________ in the mountains when it started to snow.
climbing
climb
My dad was having a shower when the phone _____
rang.
The boy _____ flying his kite when he hurt his elbow.
was
They were losing _____ he scored the goal.
how
if
when
why
I was dancing when I _____ and sprained my ankle.
fell
They were walking through the forest when the storm
begun
begin
began
begging
Maria _____ studying when the lights _____ off.
was, went
were, went
were, turn
was, gone
