I didn't know what I should say 用 what to do 替换

I didn't know what I should say 用 what to do 替换
I didn't know what I should say 用 what to do 替换

I didn't know what I should say 用 what to do 替换
I didn''t know what to say.
请及时采纳,多谢!

可以啊

I didn't know what to do.

I didn't know what to say

I didn't know what to say.