.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

问题描述:

.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为什么呢从八岁就开始收集,用完成