答案是D
这是一句表达虚拟语气的句子.if从句表达的是对过去的假设,所以整个句子应该是过去的事情,主句就要用情态动词+have+done的结构.这里主句表达的是一种可能性,所以用might表示可能性.
If the dog hadn't woken us,we woudn't have noticed the fire
3个回答
相关问题
-
If it hadn t been for the accident,we would have had __durin
-
Jane couldn't have attended the comference if her boss hadn'
-
―If the traffic hadn’t been so heavy, I could have been back
-
if we haven't 和if we hadn't在用法上有什么不同?
-
用英语解释句子Don't use the lift if there is a fire.
-
We have always been warned of the dangers of forest fires. T
-
We don't have to ___ the electricity we don't use.A afford B
-
The weather was very good, _______we hadn’t expected. [
-
If he _____ with us, we _____ finish the task earlier last t
-
–When we got to the cinema, the film hadn’t started yet.