Do you know when the Great Wall _________?
A.was come into being
B.came into being
C.had come into being
D.had been come into being
答案:B
题目分析:考查时态。句意:你知道长城是什么时候形成的吗?长城的形成是过去发生的事情,所以使用过去时。Come into being形成,没有被动语态。故B正确。
点评:时态的考查要放在上下文语境中进行,要根据句子所表达的含义来判断。本题中长城是过去所建设的,故使用过去时。