问题补充：
Every student and every teacher .
A. are going to attend the meeting
B. have attended the meeting
C. has attended the meeting
D. is attended the meeting
答案：
A. are going to attend the meeting
B. have attended the meeting
(答案→)C. has attended the meeting
D. is attended the meeting
解析：every+n. and every+n.属于同一概念。
