单选
问题描述:
单选
do you know the man___ is sitting behind Nancy?
who whom
答
who 为正确选项
选whom 或who,关键要看它们要在从句里充当的成分.若要做主语,则是who,若是宾语则是whom.对本题而言,从句“*** is sitting behind Nancy”谓语,宾语具备,可主语却虚缺着.