What is indicated in the memo？
A．Copax was headquartered in Madison, WI.
B．There are new staff members.
C．Copax will continue to provide services.
D．Many staff e-mail addresses have changed.

Careful testing is necessary before any more experiments can continue with the exploring submarine.
A．needful
B．in need of
C．necessity
D．of necessity

Subject: Willing to establish business relation
From: philcompany@hotmail. com
To: servicedepart@yahoo. com
Date: May 19th, 2009
Dear Sirs,
We have obtained your name and address （147) Sky Clothing Company, and we are writing to enquire whether you would be willing to establish business relations with us.
We have been importers of clothing for many years. At present, we are interested in extending our （148) and would appreciate your catalogues and quotations.
If your prices are competitive we would expect to place volume （149) on you.
We look forward to your early reply.
Yours faithfully,
Phil Clothing Company
（47)
A．to
B．from
C．in
D．with

His______behavior. made everyone nervous. He was always rushing to open doors and perform. other small tasks, apologizing unnecessarily for any inconvenience that he might have caused.
A．oblivious
B．observant
C．obsequious
D．obsolescent

The 20th-century poem suggests to something we have been able to find nothing about.
A．alludes
B．avoids
C．alleges
D．alerts

A．be
B．am
C．was
D．were