Условие задания:

3 Б.
Read these sentences and choose the correct answer.
   
1.  She ______ improve her English to work in the USA.
    
 
2.  Which countries ________ you go to if you travelled round the world?
    
 
3.  What _______ we look for in a candidate when we vote in a presidential election?
    
Источники:
english.eagetutor.com