7. The man ____ to Mark is an expert on environmental problems.
(A) being spoken
(B) spoken
(C) speaking
(D) is speaking

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統計: A(1), B(0), C(2), D(2), E(0) #3384922

詳解 (共 1 筆)

#6804290
當然可以,以下是對於這道考題的詳細解答說...
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