6.A.The woman is rather forgetful.
B.The man appreciates the woman's help.
C.The man often lends books to the woman.
D.The woman often works overtime at weekends.
2.A.The man can forward the mail to Mary.
B.She can call Mary to take care of the mail.
C.Mary probably knows Sally's new address.
D.She would like to resume contact with Sally.