with trees,the soil____easily___(not wash）away,so planting trees is very important to protect our environment

The road is flanked with trees 对么 Two fifths of the land in that district ( ) covered with trees and trees and grass. saw some trees,the leaves of ___were black with diseaseAthatBwhichCwhoseDthe trees The teacher with some students are 还是is plating trees. Behind the house there is a hill with many trees The teacher_____ _____ _____ trees with us tomorrow with trees,the soil____easily___(not wash）away,so planting trees is very important to protect our environment tommy,along with his parents,plant tress in the garden为什么用plant trees?而不用are/is planting trees? The teacher with the students ______(be) planting trees on the hill怎么填 The poor ___ living in the mountain ___ top is covered with green trees. 单句改错 The river,whose the banks of which are covered with trees,is very long Some students are b_____ with the tests.We can find some trees e________ on the mountains. 改错 Either the side of the road is lined with trees.________ But with the development of the industry,we have fewer trees.意思 Behind the house there is a hill with many trees（翻译） ___________（cover）with green trees and colorful flowers,the mountain looks very beautiful. Look!All the hills are ___(cover) with green trees.说明理由~ I wand to find the house____many trees around itA.haveB.hasC.there areD.with