I ________ (sleep) when you called.
I was sleeping when you called.
I ___________ (attend) a lecture yesterday at 2:30 when the bus _______ (break) down.
I was attending a lecture yesterday at 2:30 when the bus broke down.
She ___________ (drive) home when she _____ (hear) the news.
She was driving home when she heard the news.
They __________(eat) last night when they _____(hear) the baby cry.
They were eating last night when they heard the baby cry.
I was planting flowers when I ______(hear) a girl scream.
I was planting flowers when I heard a girl scream.
Jack _________(study) while Dan _________(cook) dinner.
Jack studied while Dan was cooking dinner.
While my mom __________(sleep), I __________(play) video games.
While my mom was sleeping, I played video games.
My grandparents ____________(stay) at my house while I ___________(travel) around Italy.
My grandparents stayed at my house while I was traveling around Italy.
He_______ (listen) to the radio when he_____ (hear) the bad news.
He was listening to the radio when he heard the bad news.
The boy______(steal) the chocolate from the Christmas tree while his parents _____(sleep).
The boy stole the chocolate from the Christmas tree while his parents were sleeping.
The students ________ (argue) when Mr. Mike_____(ask) a question.
The students were arguing when Mr. Mike asked a question.