Every student is supposed _______ the school uniform on Wap版

试题详情及答案解析: Every student is supposed _______ the school uniform on weekdays.
A. wear B. wearing C. to wear; 答案：C; 试题分析：句意：每个学生在平时（除周六、日外）应该穿校服。Be supposed to do sth应该去做某些事。根据题意，故选C。
考点：考查非谓语动词。