题目内容
Potatoes__________ to Europe from America.
[ ]
A.
introduced
B.
was introduced
C.
introduces
D.
were introduced
答案:D
解析:
解析:
主语potatoes,是第三人称复数,且此处谓语应该用被动结构,故选择D项。introduce sth.(sb.)to sb.把……介绍给……语意为:土豆是从美洲被介绍到欧洲的。
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