________her home, Mary helps her motherwith some housework.

Lily dances so well. Who teaches her— She learns all by herself. She never goes to any training classes.

It brought child poverty to the________of the public，and for this reason alone it is a very impotant novel.

I wonder _________ or not the animal signs are kept in a fixed order.— Oh, they should be.

Where is Paul I want to tell him about the result of the singing competition.—Oh, you . He has known it already.