You should really _______ smoking. It’s a terrible habit.
If you don’t work _______ enough, I don’t think your dream will come _______.
---Do you enjoy Han Lei’s songs?---Yes. He is the winner of I’m SingerⅡ. I can’t think of anyone with a ______ voice.
---What a heavy haze! The air pollution is terrible now.---It ________ worse unless we ________ action to protect the environment.
The fire _______ in the hotel around midnight last Friday. Luckily, it was put out soon.
--- _______ will the fog and haze(雾霾) last? ---I have no idea. There is no sign of an end.