問題詳情

40. Last night, Mike had trouble falling asleep although he knew he ___ get up early for the job interview.
(A) must
(B) has to
(C) had to
(D) must to

參考答案

答案:C
難度:適中0.541667
統計:A(5),B(3),C(13),D(3),E(0)

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