Nancy quickly ________ the door and put down her school things.
---I hear Tina_____to appear in the advertisement. Is that true?---Oh, yes. She is busy preparing for it these days.
---Listen! Kate is singing in the classroom.----It_____be Kate. She has gone to the Library.
The songs of Coco sound________. Her CDs sell_______.
Bob has made a lot of promises, but______of them have been carried out.
Mary did all ______she could to get on well_______her classmates.