The school will have a kite flying competition next Saturday and all the students to brin

问题补充：

The school will have a kite flying competition next Saturday, and all the students to bring a kite with them.

A. expect

B. expected

C. are expected

D. have been expected

答案：

A. expect

B. expected

(答案→)C. are expected

D. have been expected

解析：表示按时间表、计划、规定将要发生的动作，用一般现在时，且主语all the students与expect之间是被动关系，故用被动语态，所以选C。