問題詳情
56. He is very sleepy today. He ________ late last night.
(A) must go to bed
(B)must sleep
(C) must have gone to bed
(D) had to sleep
參考答案
答案：C
難度：適中0.55266
統計：A(209),B(127),C(509),D(76),E(0)
用户評論
【小鼻】評論
對過去合理的推測： must have p.p補充：
【李昕展】評論
Must had p.p. =must have p.p.