根据所给的中文意思写单词或词组.使句子完整what （发生）That was (幸运的）.You need to (小心）I took the man· arm and we （过马路）Oh,no!It·s （不一样）.（生活）is very fast now.Now there are lots of (高

根据所给的中文意思写单词或词组.使句子完整
what （发生）
That was (幸运的）.You need to (小心）
I took the man· arm and we （过马路）
Oh,no!It·s （不一样）.（生活）is very fast now.
Now there are lots of (高楼大厦）

happened?
luck,be careful.
crossed the street.
different,life
skyscrapers.