Read these sentences and open the brackets using the past simple or the past continuous. Write only the verb forms.
Example 0. She
(read) a book when he
(come).
Answer 0. was reading, came.
1. I
(walk) the dog when I
(see) my friend.
2. We
(eat) delicious pasta while we
(watch) a new cartoon.
3. Sue
(cook) when she
(burn) her finger.