问题 选择题

—Look! Somebody ______the blackboard.

—Well, it wasn't me.I didn't do it.

A.is cleaning

B.was cleaning

C.had cleaned

D.has cleaned

答案

D

题目分析:考查时态:句意:--看有人擦过黑板了。---哦,不是我,我没做。从句意看这句话强调的是现在黑板被擦过的结果,用现在完成时。选D。

点评:考查时态题,如果有时间状语,就充分利用时间状语,如果没有,要结合上下文找出来。这句话的it wasn't me.I didn't do it.就是明显的暗示

单项选择题
单项选择题 B1型题