38. No one can deny ______.
(A)how important is it to go green
(B)how important it is to go green
(C)how it is important to go green
(D)how importantly it is to go green

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統計： A(39), B(106), C(19), D(5), E(0) #3097499

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#5902223
無人能否認綠色環保的重要性38. No ...
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