She sells second-hand articles at reasonably fair prices from 10 to 50 dollars ____ in her shop.
The doctor is very __________ about what to eat and never eats fast food.
I think David, _______ you, ______ to blame.
To develop the New Economy, we must not only update our economy with advanced science and technology, but also, ________ this new trend of development.
The people began to break the windows, but the police soon had the situation ________.
As is often pointed out, knowledge is a two-edged weapon which can be used ________ for good or evil.