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At first, the speaker was referring to the problem of pollution in the country, but halfway in her speech, she suddenly _________ to another subject.
A) committed B) switched
C) favoured D) transmitted
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更多 “ Atfirst,thespeakerwasreferringtotheproblemofpollutioninthecountry,buthalfwayinherspeech,shesuddenly_________toanothersubject.A)committedB)switchedC)favouredD)transmitted ” 相关考题
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be transmitted at once though the frequency is not clearB
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