15.A: __________？
B: I am a coast guard.
(A)How have you been
(B)What are you up to
(C)How are you doing
(D)What do you do
(E)What are you doing

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統計： A(0), B(0), C(3), D(11), E(1) #3110009

詳解 (共 1 筆)

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1. 題目解析 本題的對話形式是A和B之...
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