72. You can' t throw the waste everywhere. You should keep the classroom _________.
China is the world’s largest cigarette market, _______ over 30% of the total world consumption.
We need to strike a ______ between the needs of the community and the rights of the individual.
The old man has a son and two daughters, ______ treat him well, _______ made him very sad.
As they ______ their way through the desert the sun beat down upon them with more fierceness.
The children had only _______ slight temperature, but the doctor regarded the illness as serious enough for ________ hospital treatment.