The little girl really ________(not know)what to do at that time._英语解答

The little girl really ________(not know)what to do at that time.
填空!急!

人气：148 ℃　时间：2019-10-19 13:19:01

解答

didn't knowat that time在那时,说明时间已经过去,所以用一般过去时