More and more people feel ill because of the air p________ . We must do something to stop it.
Generally speaking, people who eat h________ live long.
Mr. Li is a kind teacher. He always t________ his students as his own children.
The meeting didn't end up u________ late at noon. Everyone was rushing for lunch.
Hanging out with friends is almost i ________ because there are guards around me always.
He got the f________ prize in the singing competition though he is the youngest of all.
