题目

 _______ knows anything about him because he never tells us_______ about himself. A. Nobody; something                       B. Nobody; nothing C. Nobody; anything                         D. Anybody; nothing 答案：C爸爸要统计佳佳每次数学测试成绩，看看是进步还是退步，应选用哪种统计图A．条形 B．扇形 C．折线