问题
选择题
I don’t think that good books are difficult to find ______ how to live a low-carbon life.[ ]
A．for
B．to
C．on
D．in
答案
答案：C
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I don’t think that good books are difficult to find ______ how to live a low-carbon life.[ ]
A．for
B．to
C．on
D．in
答案：C