【2012湖北随州】The _____ often eat grass on the hill.
I’m not good at playing ________ piano, but I can play ________ volleyball very well.
---May I have ________ new books? ---Sorry, there aren’t ________.
Mary is a ________ girl, and she can sing ________.
---You haven't been to the mountain, have you ? ---_______.I'll go there next week. It will be the first time for me.
—I want to know if Maria ______ us in the fashion show tonight. —I believe if she ______ her homework, she will join us.