单项选择题

A．Some students at the back cannot hear the professor.
B．The professor has changed his reading assignment.
C．Some of the students are not on the professor’’s list.
D．The professor has brought extra copies of his assignment.
<上一题 目录 下一题>
热门 试题

单项选择题
When a computer-town is tied to a computer club, the experts play the role of the ________of the non-experts.
A．question raisers
B．authoritative teachers
C．encouraging instructors
D．partners to work on some programs
问答题
He is always___________________________(说朋友的坏话)．
相关试题