SorrysirButisthisumb的精选

问题详情：—Sorry,sir.Butisthisumbrellayours?—Oh,sorry.Ijusttookit_______.Mineisundertheseat.     A.foryourself B.bymistake  C.byaccident D.atlast【回答】B知识点：介词和介词短语题型：选择题...