our school yard----an area of1000 square metres

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/23 13:55:05

our school yard----an area of1000 square metres
a covers b is coverd c extends d is extended
选哪个请说明理由

选a 覆盖这里意思是囊括了这么多面积
b is coverd 不及物
c d 意思是延伸延展
再问：为什么不能解释成院子被延伸……选D呢
再答：我觉得extend用于延长时多是表示线性的东西如铁路橡皮筋而不用于表示面积。
再问： cover 是个及物动词为什么不能是B
再答： is covered后面加with表示后面的是覆盖物。。。是被动的 cover是主动的表示前面覆盖了多少

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