来自郭景梅的问题
asaresultofdestroyingtheforests,alarge___ofdesert__coveredthelanda:numberb:quantity;hasc:number;haved:quantity;have
asaresultofdestroyingtheforests,alarge___ofdesert__coveredtheland
a:numberb:quantity;hasc:number;haved:quantity;have
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2020-11-24 18:26