请问school uniform可数吗?、 可以加a,an或s吗

请问school uniform可数吗?、 可以加a,an或s吗 uniform 是可数名词吗? uniform可数? His brother always wears---uniform to school.A.a B.anC./D.the 正确答案是C uniform可数吗?什么情况下 uniform前面加冠词?“穿制服”是wear uniform 还是wear a uniform?为什么这道题不能加冠词呢? in school uniform 是什么意思 not wear school uniform 和 don’t wear school uniform 一样吗 这是任务型阅读里的填空 请问 a uniform gravitational field 中的 uniform wearing school uniform的作文 请问rian可数吗 students are wearing their school uniforms（uniform要加s吗?）at school 请问“population人口”可数吗? 英语作文：Should Students Wear School Uniform 英语作文 should we wear school uniform wearing your uniform at school 改错 英语翻译We always___ ___ ___the school uniform. when do you wear your school uniform? Why do you wear uniform in school? we wear school uniform at school.uniform为什么不加s?