Question

Do you know when the basketball_________? A．is invented B．was invented C．has invented D．

Do you know when the basketball_________? A．is invented B．was invented C．has invented D．had invented

Answer 1

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。