the cover is covered with dust.如题

the cover is covered with dust.如题 The ground is covered with but the tables and floor were covered with dust是什么时态 cover后一般接什么.如：The mountain is( ) green trees.A.cover with B. The ground is covered with d_____leaves(die) The land is covered with water. The dream is covered with rust The mountain is covered with snow. with snow是什么成分? cover.with和be covered with的区别 cover with和be covered with有什么区别 the ground is covered with fallen leaves 能否改为 fell About ___of the earth is covered with water.