—Sorry,sir.Butisthisumbrellayours?—Oh,sorry.Ijusttookit...

问题详情：

—Sorry, sir. But is this umbrella yours?

—Oh, sorry. I just took it_______. Mine is under the seat.

      A. for yourself  B. by mistake   C. by accident  D. at last

【回答】

B

知识点：介词和介词短语

题型：选择题