____________the kiln’s heat is set too high, the ceramic objects inside may be ruined.
A.So
B.If
C.But
D.Why

The National Overview is the fourth _________distributed newspaper in the northeastern region.
A.wide
B.widen
C.most widely
D.more widely

Dr. Lin, the keynote speaker at this year’s Southeast Dentistry Convention, ________ several groundbreaking dental devices.
A.invented
B.exceeded
C.supervised
D.communicated

Rose’s Bistro will close next month due to escalating operating__________.
A.expenses
B.functions
C.customers
D.occasions

The chairman of Rochelle Petrochemicals is of the opinion _______the new manufacturing plant will not significantly affect the environment.
A.then
B.that
C.how
D.when

We will be holding a meeting this afternoon to decide ______needs to be revised before the report goes to print.
A.what
B.those
C.whether
D.there

For those who have made an investment, _____happens during the first year is an important indicator of how successful the company will be.
A.that
B.as
C.what
D.how

Mr. Ashburton has been ______recommended by all three of his references.
A.high
B.higher
C.highly
D.highest

Mr. Choi wants to know when the illustrations will be ready for ____________review.
A.he
B.his
C.him
D.himself

The project meeting has been rescheduled __________tomorrow because of the bad weather.
A.in
B.by
C.out
D.for