He is the only person who can ______ in this case because the other witnesses were killed
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He is the only person who can ______ in this case, because the other witnesses were killed mysteriously.
A．testify
B．charge
C．accuse
D．rectify
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正确答案：A
解析：testify意为“作证，证明；(to)表明，说明”，例如：Thelawyershowedalltheexhibitsinthecourttotestifytheyoungman’sinnocence．律师在法庭上出示了所有的物证以证实年轻人无罪。charge意为“控告，指控，指责”，常用在chargesb．with，例如：Thesuspectwaschargedwithintertokill．那个嫌疑犯被指控有杀人的意图。accuse意为“指控，控告，指责”