27.She _________ it several times up to the present time; however, she cannot get the answer yet.(A)

問題詳情

27.She _________ it several times up to the present time; however, she cannot get the answer yet.
(A) tries
(B) tried
(C) has tried
(D) had tried

參考答案

答案：C
難度：適中0.571429
統計：A(2),B(1),C(4),D(0),E(0)

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up to the present time 搭配完成式句子為現在式所以現在完成式

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