这段英文有没有要注意的语法结构或单词用法

题目

这段英文有没有要注意的语法结构或单词用法
I know now that the man who sat with me on the old wooden stairs that hot summer night over thirty-five years ago was not a tall man.But to a five-year-old,he was a giant.We sat side by side,watching the sun go down behind the old Texaco service station across the busy street.A street that I was never allowed to cross unless accompanied by an adult,or at the very least,an older sibling.

答案

有的,第一,I know now that the man who sat with me on the old wooden stairs that hot summer night over thirty-five years ago was not a tall man.这句话中有两个定语从句第一个是who sat with me on the old ...