---Is the notebook Carla’s?---It _____be hers. It has Mary’s name on the cover.
-did you play the piano today?-For five hours.
I’m waiting for my friend. If he _______, I will go swimming alone.
He raised ______ for the charity to help the poor children.
-When did you get your first pair of skates? -_______.
Linda ______ the space museum after school yesterday.