I made a phone call to you without an answer last night,you _____ out at that moment.A) might be B) must have been C) must be D) were
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I made a phone call to you without an answer last night,you _____ out at that moment.A) might be B) must have been C) must be D) were
I made a phone call to you without an answer last night,you _____ out at that moment.
A) might be B) must have been C) must be D) were
I made a phone call to you without an answer last night,you _____ out at that moment.A) might be B) must have been C) must be D) were
must be一定;一定要;肯定是
-might be: 可能是可能是
must have been一定(对过去事实肯定的推测)
were 是
因此只能是B,表示对昨天他不在的这个事实的推测.
I made a phone call to you without an answer last night, you muat be out at that moment.这句话的意思是:我昨天晚上给你打电话,你去没有接电话,你那时可能是出去了。这里填muat be 是表示一种猜测的。
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B 表示对过去的猜测,应用must have done.
B 肯定猜测用must have done
were,表示的是状态,不能用went.