I came______these photographs while I was sorting some old papers.A.uponB.up toC.outD.thro

外语类 专四 已帮助 人

I came______these photographs while I was sorting some old papers.

A.upon

B.up to

C.out

D.through

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。