past simple-past continuous

Alice hurt herself while she ...

• skated

• was skating

I ... my neighbor while I was walking home.

• met

• was meeting

Tommy had a nightmare while he ...

• slept

• was sleeping

It ... hard last night.

• rained

• was raining

It ... hard when I got up.

• rained

• was raining

We ... when you came in.

• didn't sleep

• weren't sleeping

We weren't working. We ... a picnic.

• had

• were having

She ... so fast when she had the accident.

• drove

• was driving

We ... to China some months ago.

• travelled

• were travelling

It was a sunny day and birds ...

• sang

• were singing.