All the students were sweeping the floor___they heard a man___for help A.when,shouting B.while,to shoutC.when,to shout D.while,shouting

most students most of students most of the students都对么?all students all the students？all of the students？ all the students 还是all of the students all the students 和 all of the students 分别? All the students( )(be)here of all the students he All students 和all of the students有什么区别? all students和all the students有什么区别? all of the students ,all students 和all the students区别 All the students find the exam easily all the student 和 all the students 的区别 All of the student 还是 All of the students? 是all the student还是all the students Are all the students chinese是什么意思? 单选：1._________in our class attended the sports meeting last year.A.The all students.B.The students all.C.All the students.D.All students. all the students的同义词组 Are all the students _____?(here) All the students are back at school. All the students come here today_______Mary