问题描述：
30.It seems that living green is easy and affordable.A small step masks a big difference
It seems that living green is ____ easy and affordable.A small step masks a big difference
A.exactly B.fortunately C.surprisingly D.hardly
It seems that living green is ____ easy and affordable.A small step masks a big difference
A.exactly B.fortunately C.surprisingly D.hardly
问题解答：
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