I haven' t decided which hotel_____.

• A、to stay 
  

• B、is to stay at  
  

• C、to stay at   
  

• D、is for staying

The origin of language．

• A、is a legend handed down from the past 
  

• B、is reflected in sounds and letters
  

• C、dates back to the prehistoric period 
  

• D、is a problem not yet solved
  
  

  你是劉玲(Liu Ling)，寫一封給曉東(Xiao Dong)的道歉信，講明道歉的原因、解決問題的辦法，以彌補因曉東來拜訪而自己不在家給他帶來的沮喪。