高中英语填空（十词）distuibing expand outbox struggle battles grain cr

第四空Equip是they的承受者,的确该用—ed形式,也对楼主说声抱歉
不过decade (十年,十年期) 同century(百年) 一样,不再加年,但可以说
In the past five decades 过去50年来（人教必修三----2）
In the past(decade ),some of the farmers in the west of China have met with some success in the (struggle )against the(expanding )desert.
(Equipped )with new scientific farming methods,they have been able to use less farmland than in the past,Their(output )of(grain )and other(crops ) ,however,is still the same,which makesit possible for them to use the remaining farmland for planting trees.These and other farmers are starting to win small(battles )in the great war against the(disturbing )growth of the desert.