When I was packing for university,I found it extremely difficult to let go of some of the things I求此句中pack for的解释用法

When I was packing for university,I found it extremely difficult to let go of some of the things I求此句中pack for的解释用法 when I was young? When i was thriteen I was a teacher when I was 逗号的用法:While I was having dinner,my brother was packing.While I was having dinner,my brother was packing.是否可以：While I was having dinner my brother was packing.如 toddzhang123 老师的提议，这句话可以不使用逗号，而 When I Was Young 歌词 When i was five years when i was young翻译 When I Was Younger 歌词 When I Was Younger 歌词 WHEN I WAS LITTLE怎么样 Life was great when i was six Packing Packing packing packing packing When I was sad sad time,who can give me a support?only you~(F)