作业帮who was the winner in the football amtch yesterday.winner要不要加s
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who was the winner in the football amtch yesterday.winner要不要加s
who was the winner in the football amtch yesterday.winner要不要加s
who was the winner in the football amtch yesterday.winner要不要加s
不加,因为前面是was单数
不用，前面是was，