問題詳情

32. ---Is Jack on duty today?---It ________ be him. It's his turn tomorrow.
(A) mustn't
(B) won't
(C) can't
(D) needn't

參考答案

答案:C
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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