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We reached our goal after two days of hard walking.这里为何不用名词w

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/12 15:03:07
We reached our goal after two days of hard walking.这里为何不用名词walk,而用walking动名词?
I think:
We reached our goal after two days of hard walking.
We reached our goal after two days' hard walk.
虽然walk也可以是名词,但在of后习惯用动名词形式,而第二句也是常见形式
如:
30 minutes' ride
It takes about 2 hours' walk.