I__asleep because it took me a long time to relaize that the telephone was ring
I__asleep because it took me a long time to relaize that the telephone was ring
a could have fallen b should have fallen c must have fallen d must not have fallen
a could have fallen b should have fallen c must have fallen d must not have fallen
英语人气：937 ℃时间：2020-01-29 04:40:48
优质解答
选C,must have done表示对过去肯定的推测.此句话的意思是：我刚刚肯定是睡着了,因为过了很久我才意识到电话响了.
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