问题补充:
In the summer vacation we often take a walk along the river.
A might B could C would D should
答案:
解析:如选A ,只表示与现在事实相反,而主句中would have run 表示与过去事实相反,应该用If I had had time,表示。如果从句中含有系动词、情态动词或助词时,可省略if把从句中的were,had或should提到其主语前形成倒装结构。
时间:2018-09-08 14:48:30
In the summer vacation we often take a walk along the river.
A might B could C would D should
解析:如选A ,只表示与现在事实相反,而主句中would have run 表示与过去事实相反,应该用If I had had time,表示。如果从句中含有系动词、情态动词或助词时,可省略if把从句中的were,had或should提到其主语前形成倒装结构。