题干
—Jackson had a car accident.
— He _______ have drunk so much and driven.
— He _______ have drunk so much and driven.
A：mustn’t
B：wouldn’t
C：shouldn’t
D：couldn’t
答案(点此获取答案解析）
C
+bx+c的图象经过点A（﹣3，﹣6），并与x轴交于点B（﹣1，0）和点C，顶点为P．
