Do you know Nelson Mandela, _______ was the first black president of South Africa.
Can the scientist ______ [iks'plein] the reasons for changing the plan?
I usually ______/'præktIs/ the piano after school.
Most of the students in our city go to school by ______ [baik].
We should _______/ki:p/ quiet in the library.
My mother bought me a computer ______ [geim] on my ninth birthday.