B,这是过去完成进行时
had(not)+been + doing
这句话是说他一直不好好工作,在过去这是一个持续的动作,且对后来的事造成了影响,即他被解雇了.
because he ----- his work well,he was fired by the manager
because he ----- his work well,he was fired by the manager
A.hadn't been done
B.hadn't been doing
对语法概念很了解的朋友请解释一下,选哪个,为什么
A.hadn't been done
B.hadn't been doing
对语法概念很了解的朋友请解释一下,选哪个,为什么
英语人气：943 ℃时间：2019-10-23 03:15:06
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