The repairperson will not come _____________.
A.
B.without you make an appointment at least 24 hours in advance
C.unless you make an appointment at least 24 hours in advance
D.

Home Watch reported that the housing prices of Westport soared ____________.
A.since the announcement of the new school construction
B.
C.soon the announcement of the new school construction
D.after the announcement of the new school construction

The wearing of telephone headsets during business hours has been proven to prevent workplace injuries …. improving productivity.
A.While
B.
C.Because
D.Since

The usual term of employment is one month to three months, depending on …. many orders are received.
A.how
B.quite
C.what
D.that

As long as the construction of the new factory is completed on time, we predict that production will have …. doubled by the beginning of next year.
A.ever than
B.much more
C.even more
D.more than

…. we will be losing a key person, I want to assure you that our organization remains strong.
A.despite
B.the fact that
C.
D.because

The job requires you to have personal attributes …. the ability to work as a team member.
A.from
B.by means of
C.such as
D.to

When asked __________ she has interviewed with, other companies, she denied having done so.
A.whether
B.
C.while
D.whenever

The consortium consists of experts from over 12 different fields ________ advisors from the federal government.
A.in
B.both
C.and
D.by

The musical has sold out for sĩ straight performances, and we have … decided to extend it for two more nights.
A.therefore
B.whereas
C.by means of
D.however