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-How long did you skate?-I skated for two hours.

来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/07/05 13:11:23
-How long did you skate?-I skated for two hours.
第一句中”did”” skate”能换成”have””been skating”?
为什么?
你滑冰了多久?我滑了两个小时了.
不能换成现在完成时.因为“滑冰”这个动作中间没有间断而是一直连续的（for two hours表明一直在滑）,所以不能用现在完成时来提问,只能用过去式提问；除非是滑完了已经停止一段时间了才能用现在完成时提问.
-How long did you skate?-I skated for two hours. how long did you skate?--I skated for two years. How long—— you ——(skate)yesterday?For two hours. how long did you skate? How long (did) you (sleep) last night?For about 5 hours.I (f 1.How long (did) you (sleep) last night?For about 5 hours.I 45.How long have you been______(skate)?For five hours.46.The How long did you watch TY last night?[用two hours 回答] how long did you skate today?和how long have you been skating How long have you been skating?与How long did you skate?的区别 How long have you been skating?How long did you skate?中文翻译的区 英语翻译How long did you skate today?How long have you been skat