Believe it or not, Levy’s sister suddenly ___________crying when we ere eating.
We should not ________ economic growth that will harm the environment.
---- Do you surf the Internet a lot?---- Well,_______, I’m too busy with work to surf the Net.
Every possible means ________ to prevent the air pollution, but the sky is still not clear.
He felt ______ as soon as he realized that he had asked a foolish question.
All the neighbors admire this family _______ the parents are treating their child like a friend.