单项选择题

Even when textbooks are ______ through a school system, methods of teaching may vary greatly.

A. commonplace
B. standardized
C. competitive
D. generalized
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We finally found a _______ spot under a shady tree for the picnic.
A. like
B. alike
C. likely
D. liking
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Could you lend me the bestseller when you get ______ it
A. by
B. over
C. through
D. on
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