.I have been collecting them 1 I was eight years old 当since 和 when同时出现在选项中 选哪个更好

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.I have been collecting them 1 I was eight years old 当since 和 when同时出现在选项中 选哪个更好

.I have been collecting them 1 I was eight years old 当since 和 when同时出现在选项中 选哪个更好
.I have been collecting them 1 I was eight years old 当since 和 when同时出现在选项中 选哪个更好

.I have been collecting them 1 I was eight years old 当since 和 when同时出现在选项中 选哪个更好
since

“俊狼猎英”团队为您解答。
不是哪个更好的问题，而是只能用since，而不能用when。
前面主句是完成时态，后面从句只能用since，不能用when。
祝你进步！额 我们老师讲的时候怎么=说可以用when。。。(⊙o⊙)…你的老师讲错了。这里的主句是完成时态，不能用when的。要用when的话，句子要改为I began collecting them when I w...

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“俊狼猎英”团队为您解答。
不是哪个更好的问题，而是只能用since，而不能用when。
前面主句是完成时态，后面从句只能用since，不能用when。
祝你进步！

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Since是完成时的标志,即从...以来,when强调当时,这里应是强调过去对现在的影响,用完成时

have you ever been to collect something? I have a-----------[collect]of stamps. I have been selling I have been trying I have ever been I too have been I have been to. I have been I have been in. 英语作文Dear Ellen,I want to tell you about my hobby.I collect kites.Dear Ellen,I want to tell you about my hobby.I collect kites.I've been collecting them since he was ten years old,and now I have 22of them.I.写下文,不用写太多,三句就 I have been there,have been 是have been in还是have been to的缩写? i have always been there i have never been there I HAVE NEVER BEEN,能否说I never have been I have been so serious I have been so serious I____(collect）stamps since I was ten year是been collecting吗、 I-have-been-at-home I have always been you I have been loving you