I ________ while reading the English textbook. Luckily, my roommate woke me up in time!
A.had fallen asleep | B.have fallen asleep |
C.fell asleep | D.fall asleep |
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I ________ while reading the English textbook. Luckily, my roommate woke me up in time!
A.had fallen asleep | B.have fallen asleep |
C.fell asleep | D.fall asleep |