--- I called you last night, but nobody answered the phone.
--- Sorry, ________.
A.I must be sleep at that moment. | B. I must have slept at that moment. |
C.I must have been asleep at that moment. | D.I must have fallen asleep at that moment. |
推荐套卷
--- I called you last night, but nobody answered the phone.
--- Sorry, ________.
A.I must be sleep at that moment. | B. I must have slept at that moment. |
C.I must have been asleep at that moment. | D.I must have fallen asleep at that moment. |