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At first, the speaker was referring to the problem of pollution in the country but halfway in his speech, he suddenly ______ to another subject.
A.devotedB.switchedC.attachedD.transmitted
2023高三·全国·专题练习
知识点:attachdevoteswitchtransmit动词词义辨析 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!