Fill in the gaps with words or phrases given in the box . Change the form where necessary.
Brazilian decrease cause popular single
1 . Population growth is _ decreasing _ by 1.4 % each year.
2 . The difficult driving conditions ______ several accidents.
3 . Walking is a ______ form of exercise in Britain.
4 . He's been _______ for so long now, I don't think he'll ever marry.
5 . This song by the _____ composer Antonio Carlos Jobim first became famous in the early 1960s.