We all know the truth _____ there is air, water and sunlight, there are living things.
_____ by the heavy snowfalls, Chenzhou, a city in South China, was cut off from the outside, ________ water and electricity shortage.
The better use you can make __________ time, the greater contributions you will make _________ society.
You__to the meeting this afternoon if you have something important to do .
Which do you enjoy___your spare time, go shopping or watching TV at home?
Would you mind if I played the violin here? —