问题补充:
单选题Lotsoftrees________inourcityovertheyears.Itisbecominggreenerandgreener!A.are plantingB.have plantedC.will be plantedD.have been planted
答案:
D解析根据over the years 表示在过的几年里,一般与现在完成时态连用,又因为主语为物,是动作的承受者,故要用被动语态,故选D
时间:2021-05-30 12:42:19
单选题Lotsoftrees________inourcityovertheyears.Itisbecominggreenerandgreener!A.are plantingB.have plantedC.will be plantedD.have been planted
D解析根据over the years 表示在过的几年里,一般与现在完成时态连用,又因为主语为物,是动作的承受者,故要用被动语态,故选D