4、听完后,各小题将给出5秒钟的作答时间。每段对话或独白读两遍。请听第6段材料,回答第6至8题。6.WhatdoesSusansayinthelettergiventotheman? A.Marywillprobablygethometoday.B.Marywillhaveagoodchance.C.Marywilldrivecarefully.7.Whatistherelationshipbetweenthetwospeakers? A.Workers.B.Friends.C.Husbandandwife.8.Whatcanweinfer(推断)fromtheconversation? A.