Question

1. Greg didn't answer the phone because he -- (to take) a shower.
2. What exactly were you doing I did you do when I came into your
office yesterday?
3. Who was crossing crossed the road at the time of the accident?
4. They were cleaning cleaned the window when it started as
started to rain.
5. I was playing / am plaved volleyball when the ball hit my head,

Answer 1

1was taking
2were you doing
3crossed
4were cleaning, when it started to
5-was playing, when the ball hit my head