Howmanytrees
问题详情:Howmanytrees________inthelasttwoyears?A.wereplanted B.plantedC.haveplanted D.havebeenplanted【回答】D知识点:动词语态题型:选择题...
问题详情:Howmanytrees________inthelasttwoyears?A.wereplanted B.plantedC.haveplanted D.havebeenplanted【回答】D知识点:动词语态题型:选择题...