Students should everything important that their teachers give in class.A. set upB. set do

问题补充：

Students should everything important that their teachers give in class.

A. set up

B. set down

C. set aside

D. set out

答案：

A. set up

(答案→)B. set down

C. set aside

D. set out

解析：句意：学生应该记下老师在课堂上所讲的一切。set up 设立； set down记下； set aside留出； set out出发。根据句意故选B。