I don't know the reason ____ you were absent from the meeting,but I'm sure that someone will tellme the reason ____you haven't told me.这两个空应该填什么阿，是什么从句阿，
问题描述：
I don't know the reason ____ you were absent from the meeting,but I'm sure that someone will tell
me the reason ____you haven't told me.这两个空应该填什么阿，是什么从句阿，
答