If the dog hadn't woken us,we woudn't have noticed the fire

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/04/29 13:21:39

If the dog hadn't woken us,we woudn't have noticed the fire and it _to the house nest door?
A.could spread B.should have spread C.would spread D.might have spread

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 If it hadn t been for the accident,we would have had __durin 英语翻译We wondered if we hadn’t been mistaken,if the kinship we If you hadn't left the car unlocked,it wouldn't have been st If it hadn't been for the captain,the ship would have sunk. If you hadn’t taken it easy in the match you would have won 、----If the traffic hadn’t been so heavy,I could have been b if he hadn't been so busy at the moment he would have given We will have to finish the work hardly if you don't help us. We will have to finish the work hardly if you don't help us If the doctor hadn't come on time,he We will have to work hard if you don't help us同义句The work wi