問題詳情

17. A total of 389 poultry farms have been sampled, with 330 of them _____ to have been infected by thenew sub-strain of H5 bird flu.
(A) which confirmed
(B) confirmed
(C) confirming
(D) to confirm

參考答案

答案:B
難度:適中0.61157
統計:A(33),B(148),C(34),D(3),E(0)

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