Why there are fewer plants, trees and flowers in Holland now？A．Because there has been a lo

All the trees______ last summer.A、were plantedB、are plantingC、planted

听力原文：（A) The gardeners are planting a tree. （B) The firefighters are filling their buc

听力原文：（A) These trees are ready for planting. （B) The truck and trailer are full of log

Why are the lives of plants not well-known to most people？A．Because plants are not importa

There are trees ____ all shapes on the hill.A: inB: ofC: atD: by

There are fewer political refugees than in the past.（)