Yesterday， as I was coming near the front door of our public library， a white﹣haired gentleman stepped back （1） （hold） the door for me． With a stick in my hand， it is not strange（2） people to do so． However， I told the gentleman that the door had an automatic（自动） opener， and that it can open by（3） （it）． He said， "I thought I would have a chance to be helpful．" On（4） （hear） that， I stepped back， let the door close， and（5） （allow） him to reopen the door， not using the automatic control this time． That act of（6） （kind） not only got me happier but also made the gentleman feel （7） （good） about himself．
Holding the door open is a polite and thoughtful act． It can bring warmth to others whether you are at home（8） at work．Open the door for others and they will thank you． Those around you will（9） （certain） appreciate （赞赏） your good manners． Keep in mind that a small deed makes （10） big difference．
With all her efforts， the children finally （接受） her as one of the family．
A long time ago it was （广泛地） believed that there was life on Mars．
Confidence is an important （条件） if you want to achieve success．
Mr. Sigmund Friend is used to （处理） with all kinds of problems．
How （幸运的） they are to have such a good teacher!