Student are all t---- after a long PE class

Student are all t---- after a long PE class We are all student We all are student请问是We are all student 还是 We all are student they are all student与they all are student的区别 英语疑问句是Are you student,don't you?还是Are you student,aren't you? 类Teacher和Student是类Person的子类Person p; Teacher t; Student s; //p,t and s are all non-null.if(t instanceof Person) { s = (Student)t; } 最后一句语句的结果是：A、 将构造一个Student对象； B、 表达式是合法的； C、 All of the chinese student are Young Pioneer All the student are l___ children 根据首字母填写单词 All the（）（student）in my school are kind. 用they all student 造句they all are students.可以么?all应该放哪里? Both of them are student.否定句 them isn't student.Both of them are student.否定句 （ ）（ ）them isn't( ) student. after class,all the student are a___and take part in all kinds of a___ 初三英语反义疑问句They are't student,are they?和They are student,aren't they?是不是相同的意思?回答的时候也是一样的答案? 连词成句:of the chinese are all student young pioneerji! of,the,Chisese,are,all,student,Young Pioneers 连词成句 linda is -----(hard-working)student in her class.All the other students are-----(lazy) than her. all the ____(class,classes ,student,students)are _____(friend,friends). The boy is a student(同义句）Are we all here?(改为同义句） 那用student at are all bask the school连词成句咋写