36. John looked so exhausted this morning. He ________ all night.
(A)must have been up
(B)must be up 　
(C)should have been up
(D)should be up

答案：登入後查看
統計： A(186), B(24), C(24), D(10), E(0) #1015888

詳解 (共 3 筆)

#2408273
1.對現在狀況的推論must + 原型動...
(共 147 字，隱藏中）
前往觀看
8
0
#1446556
must have pp--對過去事實推測
5
0
#1488215

must+pp--對現在事實推測


4
0