III. Cloze: Choose the best answer for each missing word or phrase in the passages. Wrigley’s chewing gum was actually developed 21 a premium to be given away with
other products 22 as a primary product for sale. 23 a teenager, William Wrigley
Jr. was working for his father in Chicago selling soap that had been manufactured in his
father’s factory. The soap was not very popular with merchants because it was priced at five
cents, and this selling price did not leave a good profit margin for the merchants. Wrigley
convinced his father 24 raise the price to ten cents and to give away cheap umbrellas
as a premium for the merchants. This worked successfully, 25 to Wrigley that the use
of premiums was an effective sales tool.
【題組】21.
(A) as
(B) for
(C) with
(D) to
(E) of
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