有没有didn't have to do ,didn't need to do
you ________such a long composition .the teacher only asked for 200 words.
A needn't have written
B didn't have to write
C didn't need to write
我知道a肯定对 但不明白BC怎么不对,也有这两种表达的吧?
人气：409 ℃ 时间：2019-10-19 10:13:12
解答
A,needn't have done“本没有必要做某事”指的是那件事你已经做过了.
有B,C这两种用法,都表示“没有必要做某事”但没有包含“已经做过了”这一含义.
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