高一英语必修一单选题
1.Haveyouaskedherforthereason____mayexplainherabsencefromclasslastweek?A.why B.that C.what D.forwhich为什么选B呢?2.ItwasalongtheMississppiRiver____MarkTwainspentmuchtimeofhischildhood/A.that B.how C.which D.where为什么选A呢?为什么不能选D?