1) Choose the correct alternative.
a) The girls are going to order (their, theirs)goods through a computer.
b) Tom types (his, hers) letters but we don't type (our, ours).
c) Karen and Susan are waiting for (their,theirs) boyfriends.
d) I know (my, mine) family very well.
e)There are three magazines here. The first is (my, mine)