问题描述：
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?
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?
问题解答：
我来补答展开全文阅读