阿摩線上測驗
30. It was by no means clear to the investigators what the motive might have been , nor whether the suspect had acted alone or with an accomplice.
(A) no means
(B) might have been
(C) nor whether
(D) had acted
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統計： A(6), B(2), C(16), D(2), E(0) #3450046
統計： A(6), B(2), C(16), D(2), E(0) #3450046
