He must have failed the test,___?A.hasn't heB.haven't heC.mustn't heD.didn't he理由

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 must have failed the test,___?A.hasn't heB.haven't heC.mustn't heD.didn't he理由 1.See who’s there!______ I t be Mary?A.May B.Must C.Can D.Will 2.I’m surprised that he _____ in the exam.A.should fail B.would have failed C.may have failed D.should have failed 3.She’s already two hours late.What ______ to her?A.can have happe You_____because the exam is very easy.A should't have failed B should't fail C must have failed D couldn't have failed tom failed the english final?he was ten minutes late for the final exam that's too badbut he______ his roommate to wake him up.should have asked would have asked must have asked may have asked 情态动词的.See who’s there!______ I t be Mary?A.May B.Must C.Can D.Will 2.I’m surprised that he _____ in the exam.A.should fail B.would have failed C.may have failed D.should have failed 3.She’s already two hours late.What ______ to her?A. 请英语高手们来看看这道虚拟句.Mr.Green________my letter,otherwise he would have replied before now.A,must have received B,must have failed to receive C,must receive D,must fail to receive otherwise 的虚拟句一般不是其前的句子 Peter loos very upset.Anything wrong?He_____in the exam.It was very difficultA.should have failed B.must have failed C.should fail D.must fail He must have done nothing but ____ 英语语法,HELP32.He is very rich,so he ______.A.must make a fortune B.should have made a fortuneC.must have made a fortune D.should make a fortune33.______,she failed again in the test and felt very depressed.A.As she worked hard B.Hard as she wor He looks tired,he _______ too little sleep.A must have had B must have C must have been Thank you for giving me a hand. I ______ in the experiment without your valuable help.A. have failed B. will fail C. would have failed D. must have failed is it he must have fallen or he must have fell?whythank you He must have been ill,___ he?如何变反意疑问句 You have failed in the test again .You ( ) hard at your subject .A should have studied B must have studied C may have studied D need have studied He can't find his key.He ---------- them.A.must lost B.must have been lost C.must have lost must be和must have been有什么区别he must have been sleeping.为什么这里要用must have been而不用must be He would have failed but that you helped him.如何翻译?