21. Most of Portugal's 250,000 university students boycotted classes in a one-day strike to protest a law that requires them to contribute $330 a year toward the cost of higher education, previously paying $7 per year. DC
B. year toward the cost of higher education, for which was previously paid $7 per year
C. year, compared to the previously $7 per year, toward the cost of higher education
D. year toward the cost of higher education, instead of the $7 per year required previously
E. year as opposed to the $7 per year required previously for the cost of higher education
63. The new sports car is heavier than usual for a performance automobile, but it is exceptional because of its high-powered engine.AD
A) usual
B) it is usual
C) one usually is
D) is usual
E) has been usual
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