PDF chapter test TRY NOW

Read these sentences and complete them, using a verb + out. Use the suitable tenses.
  
1. The company is ______ a new computer system at the moment.
 
   
 
2. I phoned the station to ______ what time the train arrived.
 
   
 
3. We thought she was American at first, but she _______ to be Swedish.
 
   
Reference:
Raymond Murphy. English Grammar in Use- Cambridge: CUP, 379p.