问题补充:
. Students should everything important their teachers give in class.
A. set up
B. set out
C. set aside
D. set down
答案:
A. set up
B. set out
C. set aside
(答案→)D. set down
解析:短语辨析。A. 建立;开业 B. 出发;开始;陈述 C. 留出;撤销;不顾 D. 记下;放下。句意:学生们应该记下老师在课堂上讲的每件重要的事情。故选D。