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1.I saw the students play basketball on the playground at th

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/09 13:59:48
1.I saw the students play basketball on the playground at that time.
2.I saw the students playing basketball on the playground at that time.
3.I saw the students were playing basketball on the playground at that time.
1不对,时间状语是at that time 显然是看到那时某人在做某事应用see sb doing sth
2 对 see sb doing sth
3对这是个宾语从句I saw that the students were playing basketball on the playground at that time从句是过去进行时