- Whose is this blue bike? -It ________ be Mary’s. Her bike is black and white.
--Hi, John. ______ ?--It's Lucy, my dog. Her leg is hurt.
My sister ______ goes to bed early because she needs a lot of sleep every day.
--You're in a hurry. Where are you going? --To the cinema. Sue ______ for me outside.
_______ jeans were invented over 100 years ago, they're still in fashion today.
We _______pay to get into the concert. It's free.