________ofpeoplearebusy________tre

发布时间：2020-07-27 04:36:24

________ of people are busy ________ trees, they are helping to make our country beautiful.A.Thousand, to plantB.Thousands, plantC.Thousand, plantedD.Thousands, planting

网友回答

D
以上问题属网友观点，不代表本站立场，仅供参考！