单项选择题

While a computer cannot replace an instructor, it can take over many tasks to lessen the usual burden of the instructor.

A. routine
B. serious
C. generalized
D. compulsory
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单项选择题
Movie directors use music to ______ the action on the screen.
A. contaminate
B. compliment
C. contemplate
D. complement
单项选择题
Another big issue ______ the new republic is the problem of the education of its citizens.
A. confining
B. confirming
C. conforming
D. confronting
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