单项选择题

Among the features of the i-Magic Knife is a unique steel composition that keeps the blade sharp for______ of its 10-year usability.

A. much
B. many
C. every
D. entire
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单项选择题
The positive eamings report by Ysler Inc. produced powerful stock market ______ that included a rise in its share price.
A. react
B. reactively
C. reactions
D. reactive
单项选择题
Emir Securities Inc. mandates its board analyze ______ aspect of any investment prior to approving funding.
A. all
B. both
C. every
D. enough
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