问题
选择题
Do you know why Nelson Mandela _________ violence to make black and white people equal?
A． turn in
B． turn out
C． turn to
D． turn over
答案
答案：C
题目分析：句意：你知道为什么曼德拉为了让黑人和白人拥有平等的权利，转向暴力？turn in上交；turn out结果是；turn to转向；turn over翻转， 选C。