He didn't know his birthday,surprised us all.逗号后填个引导词

He didn't know his birthday,surprised us all.逗号后填个引导词 He didn't know which hat was his.还是应该用：He didn't know which He didn't know ( ___ he said so surprised us all. what surprised me a lot was that he didn't know ______ the d I was ____ surprised ____ I didn't know what to do when I he It's very strange that he didn't feel surprised at all after _____her before,he didn`t know she was his aunt. he didn't ____in my birthday party,i don't know where he's g To my great surprising ,he didn’t feel surprised at his fail 210.To my surprising,he didn’t feel surprised at his failure his power of making intelligent decisions surprised us all.