________ the boy didn’t take medicine made his mother angry.

Is your new team-mate a good guy? — Yes. He is kind, skillful, hard-working and intelligent; ____, I can’t speak too highly of him.

There’s _____ with your son’s ears. So don’t worry about him.

Dogs have a very good ______ of smell and are often used to search for survivors in an earthquake.

The government insists that the dam willnot do any ________to the environment .