46 A: Why are you so busy today? B: The boss dropped this big assignment on me out of the ___.
(A)black
(B)blue
(C)green
(D)red

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統計： A(12), B(30), C(9), D(11), E(0) #867375

詳解 (共 1 筆)

#1481152

out of the blue

出乎意料地，突然

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