The students are running in the piayground.running画线.（对划线部分提问）

What are the students What are the students Are the students happy? the students is /are Some students may run down the staris (否定句)Some students------ -------run down the stairs the new club -------- by the students for the school and nearly everybody is allowed------- the meeA ,is run ;to attend B ,are worked ; to attendC ,is run ; are attendingD ,are managed; attending some students may run down the stairs 对run down the stairs提问? What are the students doing The students are ( ) ( ) a dialogue The students are having class. Are the twe students brothers? You are run on the hallway. I cannot run fast.I run ___ than all the other students in my class. I cannot run fast.I run ___ than all the other students in my class. The students are relaxing.对relaxing提问------ ------the students ------? The students are i_____ in the filmxiexie The students cannot run or s___ in the party 应该填什The students cannot run or s___ in the party应该填什么 It is great because it is run by the students for the school.run 为什么不要写成runed?