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part A page 17 workbook

1.the cruel hunter killed the gazelle 
the gazelle was killed 

2.my mother gave Sina a book for his birthday 
A book was given Sina

3.Barid invented tv in 1924
Tv was invented in 1924

4.I always keep the butter in the fridge 
the butter was kept in fridge

5.you did not inform us about the results 
the results are not inform 

part B
1.was founded 

2.were opened

3.are kept 

4.is spoken 

5.was stolen 

negar hosseiny