2. 职称英语
  3. Not since Nelson Mandela’s presidency a national police commissioner leaves offi

Not since Nelson Mandela’s presidency a national police commissioner leaves offi

游客2025-01-18  10
问题 Not since Nelson Mandela’s presidency a national police commissioner leaves office without being charged with corruption or misconduct.
选项 A、has a national police commissioner left
B、a national police commissioner has left
C、a national police commissioner left
D、is a national police commissioner left
答案 A
解析 倒装结构。本题中否定词not放在句首，因此句子要部分倒装，由于not后面接了since词组，所以谓语动词要用完成时态。
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