13. It was buying game cards that cost Jim most of the money that he (   ) on learning. (   ) 

• A、might have spent
  
  

• B、must have spent
  
  

• C、should have spent
  
  

• D、 would have spent
  
  

一、語音知識: 共5小題; 每題2分, 共10分。在下列每組單詞中, 有一個單詞的加粗部分與其他單詞的加粗部分的讀音不同。找出這個詞。

1. (   )

• A、 chimney

• B、chicken
  
  

• C、chemistry
  
  

• D、chairman
  
  

55. (   )