Believe it or not, when first (introduce) ______ to Europe, tomato was thought to be poisonous.

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问题 Believe it or not, when first (introduce) ______ to Europe, tomato was thought to be poisonous.

选项

答案Introduced

解析本题考查的是非谓语结构。tomato为卞语，而tomato与前面的谓语introduce为被动的关系，所以此处填introduced。

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大学英语三级A级

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