April Fools' Day is a day to play jokes on others, but no one knows when such a custom first ______.
Do you know why Nelson Mandela _________ violence to make black and white people equal?
He was a kind teacher _________ I went for advice.
Until today some black people_________ a stage _________ they have almost no rights at all.
The time _________ I first spend with Nelson Mandela was a very difficult period of my life.
The parks will also honor _________ who helped the survivors as well as who died in the terrible disaster.