Simple Past vs. Past Progressive

We were playing volleyball ______ you called me.

• when

• while

I was having lunch when James _____.

• arrives

• arrive

• arriven

• arrived

The baby _____ when the telephone rang.

• sleep

• slept

• was sleeping

• sleeps

I met an old friend _____ I was walking by.

• when

• while

I was looking for my purse when I _____ my credit card.

• drop

• drops

• dropped

• droop

She was dancing ____ she hurt her ankle.

• when

• while

I saw the thief while he _____ into my neighbor's home.

• got

• was getting

• gets

• gotten

The shark attacked her _____ she was surfing.

• when

• while

He was dancing at a party when he ____ his girlfriend.

• meet

• met

• meets

• was meeting

He was playing soccer _____ he broke his leg.

• when

• while