All of the workers were warned about wearing masks in the laboratory, ____ half of them ignored the advisory and got sick.
A.yet
B.by
C.so
D.both

The new interior design of the office has both increased employee productivity ____ drawn many positive remarks from the clients.
A.or
B.yet
C.like
D.and

The chief executive is trying to decide whether to assign an individual ____ an entire team to evaluate last week’s event.
A.so
B.but
C.or
D.nor

As always, we here at Gray Consulting look forward ____ assisting you with your future legal needs.
A.up
B.
in
C.to
D.on

The company’s payroll office is located ____the corner of Faribault and 23rd Streets, across from the Trade Center.
A.at
B.in
C.of
D.to

Wageworks Corporation is planning to lay off as many as 1,000 employees ____ the next two years.
A.at
B.by
C.until
D.over

Whatever your security needs, Armed Guard provides 24 hours ____ constant protection and service to our clients.
A.around
B.
of
C.over
D.through

It would be better for business if we were Associated ____ some of the trade officers at the embassy.
A.to
B.on
C.with
D.for

Teen magazine is offering a special promotion, which entitles subscribers____ gift certificates at top clothing boutiques.
A.in
B.on
C.to
D.at

To prevent electricity outages in areas where service is not readily available, use major appliances before noon ___ after 7 p.m.
A.neither
B.nor
C.either
D.or