Fill in the Blanks Present Perfect Online version Read the text and complete it. Use the auxiliar has or have by Fausto Yachimba 1 has done we've helped been has been has been has been has Nelson Mandela a symbol of the human struggle for justice and equality . He was an anti - apartheid activist who became president in the first democratic elections in South Africa in 1994 . Anne Frank's diary all over the world in 30 different languages . Her literary legacy people understand the terror and anguish of the Holocaust through the eyes of a child . Apple's current CEO ( Chief Executive Officer ) as saying , " the iPad is the most important thing ever , " when asked about his company's greatest invention . The Civil Rights Movement leader , Martin Luther King Jr . , as the symbolic leader of African - Americans . He won the Nobel Peace Prize in 1964 .