who are these?是指物还是指人?

who are these?是指物还是指人? who are these stars. Who are these? 英语对话中,“for who?”还是“for whom?"例--A:"These candies are for Jon who is jeans are these 改错 Who is erasers are these改错 ______（who）are these peaches who are these?这样写对吗? who are they还是who are them who are these boys?they are students____to Class One. —Who are these girls?—They are _____. whose pens are these?还是whose are these pen?区别?