_the meeting should last two days or three days doesn't matter

问题描述:

_the meeting should last two days or three days doesn't matter
A.thatb.whetherc.ifd.wheref.what
_he will go to work in a mountain village suprises all of us
A.thatb.whetherc.ifd.wheref.what

都选that.都是that引导的同谓语从句,做主语.