A good student is good at what the teacher says at once when hearing something important

问题补充：

A good student is good at what the teacher says at once when hearing something important in class .

A. getting down

B. passing down

C. setting down

D. coming down

答案：

A. getting down

B. passing down

(答案→)C. setting down

D. coming down

解析：本题考查动词短语辨析。句意：好学生善于立刻记下老师在课堂上说的重要的东西。set down写下；记下。