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