12. A.Walt for Mr.Grand to call back.
B.Leave a message for Mr.Grand.
C.Provide details of their products and services.
D.Send a comprehensive description of their work.
11.A.Director of the safety department.
B.Mr.Grand's personal assistant.
C.Head of the personnel department.
D.The public relations officer.
7.A.Go to work on foot.
B.Take a sightseeing trip.
C.Start work earlier than usual.
D.Take a walk when the weather is nice.
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.
9.A.It specializes in safety from leaks.
B.It is headquartered in London.
C.It has a partnership with LCP.
D.It has a chemical processing plant.