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A. University of Southern California.
B. Northeastern University.
Columbia University.
D. New York University.

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Multiple choice. We did not know it was a small casual party only with our friends; if we did, we __________ so formally as we usually do when going to a formal one.

A. needn’t have dressed up
B. needn’t dress up
C. did not need have to dress up
D. did not need dress up

The salesperson said to the client, “Your new product __________ so well but for a lot of advertisements we put on the television and the Internet.”

A. should not sell
B. had not sold
C. should not be sold
D. would not have been sold

Many educators feel that __________ students gain more confidence in themselves and their abilities, they are less likely to cheat on exams.

A. least
B. so
C. hence
D. as

Many economists believe that advertising helps increase competition, __________ leads to lower price, thus benefiting consumers and the economy as a whole.

A. what
B. that
C. which
D. when

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