1.men,pens,wives,money(всегда ед.число), goods, boxes, boys, cities
2.1)They
2)I
3)I
4)He/She
3.1) What Is her name ?(или Is her name Mary?)
2) Who is she?( или надо просто is she a sales manager?)
3)Who are you?
4) How old is she?
4.1)Is, his
2)am, my
3)are, their
4)is, her
5.1)my friend's car
2) his mother's dress
3)the girls' shelves
4)these men's wives
5)your classmates' bags
6.1)sisters
2)is
3)knives
4)fish
5)this
6)them