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In most years since The X Factor first appeare
问题详情
In most years since The X Factor first appeared on British TV, ______has quickly reached number one in the singes charts.请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：the debut single by the winner／the winner’s debut single
the debut single by the winner／the winner’s debut single 解析：(答案参见第四段第二句In most years，for example，a debut single by the winner，released in December，has reached the top of the singles charts by Christmas．)
