单选题
Everything A
could destroy
if he B
hadn't called
the C
firemen
when the fire D
broke out
.
A
B
C
D
【正确答案】
A
【答案解析】
解析:根据句义判断,这是一个对过去情况进行假设的虚拟条件句,且everything作主语,与谓语destroy之间又只能构成被动关系,需用被动语态,故A应改为could have been de-stroyed才对.
提交答案
关闭