He failed in the driving test again.He _________.A.must have disapointed B.must have beenHe failed in the driving test again.He _________.  A.must have disapointed B.must have been disappointed  C.might be disappointed D.couldn’t be disapoi

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He failed in the driving test again.He _________.A.must have disapointed B.must have beenHe failed in the driving test again.He _________.  A.must have disapointed B.must have been disappointed  C.might be disappointed D.couldn’t be disapoi
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He failed in the driving test again.He _________.A.must have disapointed B.must have beenHe failed in the driving test again.He _________.  A.must have disapointed B.must have been disappointed  C.might be disappointed D.couldn’t be disapoi
He failed in the driving test again.He _________.A.must have disapointed B.must have been
He failed in the driving test again.He _________.
  A.must have disapointed B.must have been disappointed
  C.might be disappointed D.couldn’t be disapointed

He failed in the driving test again.He _________.A.must have disapointed B.must have beenHe failed in the driving test again.He _________.  A.must have disapointed B.must have been disappointed  C.might be disappointed D.couldn’t be disapoi
选B
must have done表示对于过去的事情的一种推测.somebody be disappointed表示失望.所以后半句的意思是“他一定很失望”

B:must have be对过去事实肯定的猜测
他一定很失望(前面说了考试又失败)
可以推测出答案
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