_福建成考网

They took _____ measures to prevent poisonous gases from escaping.

• A、fruitful

• B、beneficial 
  

• C、valuable  
  

• D、effective

The man asking for a lift was．

• A、a robber who robbed drivers  
  

• B、a policeman who had worked in prison
  

• C、a Drisoner who had escaped from prison 
  

• D、a stranger with￡1，000 in his pocket

  你是刘玲(Liu Ling)，写一封给晓东(Xiao Dong)的道歉信，讲明道歉的原因、解决问题的办法，以弥补因晓东来拜访而自己不在家给他带来的沮丧。