——Why are the tax collectors so busy?——Many people prefer to have their tax forms completed by a professional rather than ___.
Finding her car stolen, _______.
A cook will be immediately fired if he is found _______ in the kitchen.
The boy wanted to ride his bicycle in the street, but his mother told him _______.
We looked everywhere for the keys, but they are nowhere _______.
He was reading his book, completely _______ to the world.