作业帮 > 英语 > 作业

The oil industry goes with the high end of the range,which c

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/10/06 19:06:58
The oil industry goes with the high end of the range,which could equal as much as 10% of U.S...为
The oil industry goes with the high end of the range,which COULD equal as much as 10% of U.S.consumption for as long as six years.为什么会用could?
这里的could不代表can的过去式,用could只是为了表示一种委婉的语气