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比照下面英文对话模仿再写一遍A:HowlonghasAlisonbeenskatingB:She‘sbeenskatingforfivehours.A:HowlongdidSamskate?B:Heskatedforfourhours.

题目详情
比照下面英文对话 模仿再写一遍
A:How long has Alison been skating
B:She‘s been skating for five hours.
A:How long did Sam skate?
B:He skated for four hours.
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答案和解析
翻译还是写相同句式?
how long have you been studying in UAS?
i have been studying USA for 3 years.
how long did you study in USA?
i studied in USA fou 3 years
第一种用法是现在完成进行时
第二种是过去式