2 Ice cracked at the lake’s edges at first, thereby ________ some melted snow beneath.
(A) appealing
(B) concealing
(C) fulfilling
(D) revealing
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統計: A(104), B(103), C(124), D(183), E(0) #3462101
統計: A(104), B(103), C(124), D(183), E(0) #3462101