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Bettyhasneverbeenheardillofothers.(答案选C)Bettyhasneverbeenheardillofothers.(答案选C)A.speakB.spokenC.tospeakD.wassaid

题目详情
Betty has never been heard ____ ill of others.(答案选C)
Betty has never been heard ____ ill of others.(答案选C)
A.speak
B.spoken
C.to speak
D.was said
▼优质解答
答案和解析
使役动词和感官动词动词后的不定式在主动句中不带to,但是在被动句中必须带to.