My mother came home _ _ _ _ I was sick.
when
_______ Ricky was teaching math, I was _____ (learn) French.
While - learning
Nicholas wanted to travel to Mars _______ his mother was working as an actress.
while or when (both are correct)
Margaret was not _____(cook) when the police _____ on the door
cooking - knocked
William played soccer _________ he was a little boy.
when
I _______ ______ (sleep) while my friend was doing her homework.
was sleeping
I was 15_______ the war started.
When
Dexter ______ (eat) pasta when it _____ (to be) ready!
ate - was
We weren't _________ (drive) our car while it _________ (rain) in th city.
driving - was raining
Mary of Stuart _________(travel) to Scotland when Elizabeth _________ (become) Queen of England.
travelled - became
I was taking a picture when it _______ (start) to rain
started
_______ the phone rang, I ______ (answer).
When - answered
Who was climbing a tree ______you broke your knee?
when
_________the President _________ (travel) to China when his daugther _________ (have) a baby?
was - traveling - had
I was working hard _________ you were _________(write) a letter.
while - writing