They are _____________ than my father.[ ]A. oldB. youngerC. They are _____________ than my father.[]A. oldB. youngerC. young 分类:机械工程 题型:选择题 查看答案
I_________trees.[ ]A.plantingB.amplantingC.plants I_________trees.[]A.plantingB.amplantingC.plants 分类:机械工程 题型:选择题 查看答案