We have sent some books to the children in that village. However, they still need ______.
Mary, could you tell me if your mother _____ our school sports meeting tomorrow? –I think she will come to school if she _____ free.
_______ old man in front of Tom is _______ artist.
My MP4 player isn’t in my bag.–Where _____ you have put it?
His report was so exciting that it wasinterrupted by applause（掌声）.