PLZZZZZ Read the LOOK! box. Complete the text by choosing the correct option.
When/While my parents were shopping in the supermarket, I sat in the car and listened to the radio. I was listening to music when/while suddenly there was an announcement: "Special discount on jeans - today only!" When /While I heard this, I jumped out of the car and ran to find Mum and Dad - I really wanted some new jeans! I couldn't find them anywhere - they had gone back to the car when / while I was looking for them inside!