是she had no idea what to say还是no idea about what to say?不知道需不需要about在里面还有为什么?

问题描述:

是she had no idea what to say还是no idea about what to say?
不知道需不需要about在里面
还有为什么?

no"about"

不用加

不用加,sb. have no idea= sb. don't know
She doesn't know what to say.同理