高手们帮忙解答一道有关need的专四英语选择题
问题描述：
高手们帮忙解答一道有关need的专四英语选择题
There being no cause for alarm,you ___in such a panic yesterday.
A.need not have acted
B.did not need to act
C.did not need to have acted
not need句型?
答
一般不用do not need这种句型.need在否定或是疑问句中一般自己作为助动词,不需要加其他的助动词.