In 2012，Lin Tao's mother was badly ill．He was worried because needed lots of money．So he sent a message for help on his Wechat．He promised he would return all the money in 3﹣5years．In this way，he raised over 100thousand yuan in several months．Two years later his mother died．After he finished his college，he worked hard and saved all his money．He wanted to return all the money as soon as possible．

Last week，Miss Zhao received a call．On the phone，a man said he wanted to give some money back to Miss Zhao．Miss Zhao didn't believe what she heard t first．But five minutes later，he got a message from the bank．The message told her that she got some money．The man was Lin Tao，the college student she ever helped 5years ago．A reporter knew about it，and he wrote an article on the Internet．Soon，more and more people knew about Lin Tao．They thought Lin did what he should do．The story tells us，whenever we make a promise，be sure to keep it．

41．what happened to Lin Tao in 2014？　　

A．His mother was ill．

B．His mother was saved．

C．His mother died．

42．Who wrote the article on the internet？　　

A．Lin Tao

B．Miss Zhao．

C．A reporter．

43．How did Lin Tao raise money for his sick mother？　　

A．He borrowed some money from the bank．

B．He sent a message for help on his Wechat．

C．He borrowed some money from his relatives．

44．We can infer（推测） from the passage that　　．

A．Lin Tao will return all the money he borrowed．

B．Lin Tao only returned the money to Miss Zhao．

C．Lin Tao will only returned part of the money he borrowed．

45．What's the main idea of the passage？　　

A．It's difficult to be famous．

B．It's important to keep our promise．

C．It's easy to borrow money on Wechat．