1. [单选题]19.
  A. and 
  B. with 
  C. for 
  D. by 
 
2. [单选题]39.I go to school ________ 8 0'clock in the morning.
  A. at 
  B. in 
  C. on 
  D. for 
 
3. [单选题]WuYanstartedtocutherfingerwithaknifebecause________________.
  A. shecouldn’tgetonwellwithherclassmatesandevenherparents 
  B. shecouldnotunderstandherteachersinclass 
  C. shewasafraidofexams 
  D. shehadnomoneyforanewshirt