PDF chapter test TRY NOW

Complete the sentences below with the correct Past Simple or Past Continuous affirmative form. Choose the correct answer.
   
We describe two finished actions in the past. One action happened after the other action.
1. When Jake a snack, he  the Internet.
 
We describe two actions in the past. One action happened when the other action was in progress.
2. They TV when somebody  at the door.
 
3. Frank's phone suddenly when he  to school.