Since i didn't know what to do,.改成_ _what to do
来源：学生作业帮助网 编辑：六六作业网 时间：2025/01/31 19:36:10
Sinceididn''tknowwhattodo,.改成__whattodoSinceididn''tknowwhattodo,.改成__whattodoSinceididn''tknowwhattodo
Since i didn't know what to do,.改成_ _what to do
Since i didn't know what to do,.改成_ _what to do
Since i didn't know what to do,.改成_ _what to do
Since i didn't know what to do
=Not knowing what to do
用动名词作主语,表示原因