Sabrina's father asked her to buy some things at the supermarket, and he gave her $20. The food cost ( ) $15, so Sabrina gave her father a $5 bill as change.
exactly
Justin lost his bicycle key at school, so he could not ( ) his bicycle. He had to take the bus home.
unlock
Rachel's ice cream ( ) has been doing well lately. She has found a lot of new customers who want to buy her company's products.
business