Student are told(observe school rules).括号里填的对么?

Student are told(observe school rules).括号里填的对么? OBS是什么意思 Are you a student? obs*R-squared是什么意思 航空业obs是什么意思 英语翻译Damages Suffered by Third Parties in Consequence of Breach.The Supplier acknowledges that it has been informedby OBS that the Mobile Units and the Services are to be used directly andindirectly in various projects related to OBS’ positi Do as you are told. 是you are a student还是you are student? Are you a Chinese student? YOU WITH I ARE STUDENT YOU WITH I ARE STUDENT the student are at school We are all student We all are student请问是We are all student 还是 We all are student Student are told _____ very careful when they are doing experiments. A should be B.be C. to be D.will be为什么选C,理由一定要详细.tell sb sth 为什么这里用to be we are students 还是 we are student? 统计学中obs是什么意思啊? 数理统计里的obs是什么意思 You are a student.Is( ) sister a student,too?