我5岁时就会滑冰 I __ __ __ __ when I was five years old 四个空
问题描述：
我5岁时就会滑冰 I __ __ __ __ when I was five years old 四个空
答
was able to swim
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答
I (was) (able) (to) (skate) when I was five years old