“I don’t understand what you are saying,” she said, with a _____ expression on her face.

We must make sure that public facilities in the newly­built buildings，like the restroom and the lift，are________to disabled visitors.

—John always thinks of others instead of himself.—So she does. It is __________ of him to offer help to others.

My grandfather is as______as a young man and hates sitting around doing nothing all day.

Exercise is ______ as any other to lose unwanted weight.