--What you for your vacation? --I plan to visit my grandparents.
---Is the notebook Carla’s?---It _____be hers. It has Mary’s name on the cover.
Baby giant pandas ________ a lot of time ________ their mothers’milk every day.
Excuse me. I _______ I was blocking(挡) your way.
Her shoes are _________ mine.
—When did your school hold the sports meet?—Last week. And I _______ the girls’ 400-metre race.