Mr. Brown is an experienced doctor. He is always _______ in facing with emergency.

__________?—In a factory.

I’ve always dreamt ______ living in a big house. After many years’ hard work, I’m thinking _____ moving and changing my small house ______ a larger one.

I’m interested_____ flying kites.[ ]

It is useless book to children. Put it into left drawer and never read it.