We have done things we ought not to have done and ______ undone things we ought to have done.A.leftB

题目简介

We have done things we ought not to have done and ______ undone things we ought to have done.A.leftB

题目详情

We have done things we ought not to have done and ______ undone things we ought to have done.
A.left B.leaveC.will leaveD.leaving
题型:单选题难度:中档来源:不详

答案

A

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