問題詳情

42 Dad: Did you talk to our son over the phone last night?Mom:____ But it was so difficult to get through. Dad: Maybe he was on the line all night.
(A) He’s tried his best.
(B) He’s been trying.
(C) I tried.
(D) I did.

參考答案

答案:C
難度:適中0.54717
統計:A(2),B(4),C(29),D(18),E(0)

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