填空题 Never before {{U}}I have{{/U}} seen anyone {{U}}who has{{/U}} the skill {{U}}John has{{/U}} when he {{U}}repairs{{/U}} cars. A. I have B. who has C. John has D. repairs
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【正确答案】 1、A应改为have I。    
【答案解析】[解析] never before放句首时，句子应倒装。