Tom was the second _______this maths problem.A.worked out B.works out C.working out D.to work out问为什么

分类: 作业答案 • 2021-12-19 23:59:53

问题描述：

Tom was the second _______this maths problem.
A.worked out B.works out C.working out D.to work out
问为什么

答

D.to work out
序数词 +（名词）+to do sth ,不定式to do sth做定语,修饰前面的名词的.有时名词可以省略,这里省略了名词