题目内容：

----well,I forgot to bring my dictionary here yesterday.----Actually you_____it here.
----Well,I forgot to bring my dictionary here yesterday.
----Actually you_____it here.You were not allowed to use it.
A.needn't bring
B.didn't need to bring
为什么?a哪里不对了?

优质解答

A.needn't bring如果选A的话,need在这句话里是一个情态动词,needn't bring表示 不准带来,代入题中不符合题意.B.didn't need to bring选B的话,need是一个行为动词,didn't need to bring表示 不需要带来You were not a...