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

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/25 23:14:08

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