He failed in the driving test again.He _________.A.must have

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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

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”
再问：为何不选a
再答： A里面，没有be动词啊。be disappointed 才表示失望。B选项中的been就是be的过去分词形式。

He failed in the driving test again.He _________.A.must have He must have failed the test,___? － Unbelievable!I have failed the driving test again! 英语翻译Unbelievable!I have failed the driving test again!Cheer 21.—Unbelievable!I have failed the driving test again!—_____ —Jack failed the driving test again. --What?You failed the driving test again!--_____ A.So what B He finally succeeded in passing the driving test after faili Tom was unhappy because he failed the driving test.改为同义句 Tom He (不及格） the driving test yesterday he failed his test again(改为同义句) You have failed in the test again .You ( ) hard at your subj