When__the forest fire which lasted three weeks__out?
问题描述：
When__the forest fire which lasted three weeks__out?
A.did,put B.has,put C.has,been put D.was,put 选哪个?麻烦要具体解释
答
D
这里火是被扑灭的,所以要用被动语态,而且被扑灭这个动作不可能在持续这个动作之前,所以只能用一般过去式,也就是选D