who are these?这样写对吗?

who are these?这样写对吗? who are these stars. Who are these? Are these your a set of keys?这个句子对吗,可以这样问吗, who are these?是指物还是指人? who is jeans are these 改错 Who is erasers are these改错 ______（who）are these peaches who can make a birthday cake for me on my birthday这句话这样写对吗? who are not here?表达对吗 who are these boys?they are students____to Class One. —Who are these girls?—They are _____.