当污水箱排放和冲洗工作结束后

My hometown is no longer the same    （）     it used to be.

The brave man,      （）    the tiger was shot, is a good hunter.

I, （） your good friend, will try my best to help you out.

You can take any seat    （）      is free.

Can you lend me the novel       （）  the other day?

Do you remember the name of the company （）      ?

He met my brother, from    （）      he got the news of my marriage.

The first time         （） I saw Premier Zhou was in 1958.

Each boy and each girl        （）  a new book.

His brother rather than his parents （）      .