Past simple vs. Past continuous

We were sleeping when the telephone ..............

• was ringing

• rang

• rings

The kids ...............................................when I entered their bedroom. 

• wasn't sleeping
• didn't slept
• weren't sleeping

Why .......................................................... when I came into the room?

• she was crying
• was she crying
• were she crying

Tina ....................................when she fell and hurt her leg.

• were dancing

• was dancing

• danced

We ……………….. to school when we saw our friends.

• were walking

• walked

The panda _______ bamboo leaves when I saw her. (eat)

• ate

• eated

• was eating

• eaten

I was writing an email to a friend _____ my parents came back.

• when

• while

Ben was walking home from school _____ he found $10 in the street.

• when

• while

I ....................................... the food when the guests .................................. . 

• was still preparing / were arriving
• was still preparing / arrived
• still prepared / were arriving

They ....................................very fast when the car hit the tree. 

• was driving
• were driving
• drove