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문법 Ch. 11 의 Hackers Test 19번에서요,

 

(b) Two of the festivals, the Olympic Games and the Nemean Games, were a tribute to Zeus, the ruler of the ancient Greek gods.

 

위 문장 were a tribute 가 아니라 were tributes 아닌가요 ?

 

답변 부탁드립니다. ^^