可改为：
I 【have】 【been】 collecting stamps 【for】 【five/5】【years】.
意为：我收集邮票已经5年了.
I have been collecting stamps since I was 7.Now I am 12.（合并为
3个回答
相关问题
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I____(collect）stamps since I was ten year是been collecting吗、
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I have't seen_this one since I collected stamps.A.as a stamp
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I have been studying English since I was five (对since I was
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关于现在完成时的一些问题?I have been collecting stamps for a year.I have
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I have a-----------[collect]of stamps.
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I haven’t seen______ this since I collected stamps. A．as old
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填空 I have been i_____ in foreign customs since I was little.
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I used to collect stamp,but now Ihate
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I took iterest in collecting stamps when I was young.改为同义句