用who,whose,whom,what,which等疑问代词代替括号部分,并将下列句子改为疑问句.
问题描述：
用who,whose,whom,what,which等疑问代词代替括号部分,并将下列句子改为疑问句.
1.（An old friend of mine）is coming to see me tomorrow.
2.(Their)husbands are Nobel Prize winners.
3.She is looking for(the famous professor).
4.I would like to choose(these)knives.
答
Who is coming to see me tomorrow?
Whose husbands are Nobel Prize winners?
Who is she looking for?
Which knives would you like to choose?