The street lights will be going on when night falls.()

Mrs. Anderson went to great lengths to keep her son from getting mixed up in such dreadful things.()

Such is the case, I have no other choices.()

Professor Li, who is my friend, teaches in Peking University.()

It was not long before she came.()

So carelessly did he drive that he almost killed himself.()

The noise made it hard for me to?focus?in work.()

The pace of modern society get increasingly fast, but it get even faster when mobile phone comes into play.()

There are many box here.()

Lucy and Lily is both in Class One.()