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Do you know when the basketball_________?
A.is inventedB.was inventedC.has inventedD.had invented
B

试题分析:句意:你知道篮球是什么时候被发明的吗?根据句意可知,篮球这项运动和动词invent 之间构成被动的关系,故这里应该用被动语态,先排除C和D;又根据句意可知,篮球的发明应该是过去的事情,故应该用一般过去时。故选B。
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