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

答案：登入後查看
統計： A(331), B(190), C(913), D(113), E(0) #788649

詳解 (共 4 筆)

#1116713
對過去合理的推測： must have p.p
補充：
對現在合理的推測：must +v
95
1
#2296241
對過去事實的推測 last night
(共 21 字，隱藏中）
前往觀看
10
0
#2450100
Must had p.p. =>m...
(共 35 字，隱藏中）
前往觀看
5
1
#1107953
為何要用完成式壓?
1
1