问题

I ________ while reading the English textbookLuckily, my roommate woke me up in time!

A:had fallen asleep
B:have fallen asleep
C:fell asleep
D:fall asleep

正确答案是：

同类题型

ou got the final result—Yes, very disappointing We________ have won thegame

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I have been to Qingdao before.—– .