Past simple or continuous

Gap-fill exercise
By JUan Ignacio Montorio

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble.

1. I (meet) a friend while I (do) the shopping.
2.I (pay) for my things when I (hear) someone call my name.
3. I (turn) round and (see) Paula.
4. She (wear) a bright red coat.
5. We (decide) to have a cup of coffee.