he has made up his mind, no one can make him change it.A. Once B. UnlessC. Until D. As

发布时间：2020-08-16 23:47:29

     he has made up his mind, no one can make him change it.
A. Once
B. Unless
C. Until
D. As

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(答案→)A. Once
B. Unless
C. Until
D. As
解析：考查连词辨析。A一旦；B除非，如果…不…；D直到…才；D因为；句意：一旦他下定决心，没有人能让他改变。故A正确。
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