题目

题型：不详难度：来源：

The thief used a ladder that had been ______ by some workmen, and climbed over the wall.

A．left aside

B．left behind

C．left off

D．left alone

答案

B

解析

考查短语辨析。left aside 把什么放一边，left behind把什么遗留在，left off    停止，结束， left alone不管，不理会，句意：小偷用了一把被一些工人遗留的梯子并且爬过了墙，故选B。