题目

“削铁如泥”通常用来形容某种刀具品质优良，从科学的角度来讲，说明制作刀具料  __________ 比铁大。 答案：硬度Kate asked me,“When can you finish your work?”Kate asked me ________．A.when can I finish my workB.when could I finish my workC.when I can finish my workD.when I could finish my work