No students and no teacher is in the classroom now.这个句子谓语动词用单数对吗?还有为什么此句中student用的复数,而teacher用的单数?

no students and no teachers( )(be)excited there ()no teachers and no studentsThere ( )no teachers and no students in the classroom now.They are on the playground for the sports meeting.a.any b.is c.aren't d.weren't no teathers and no students还是no teacher and n student?如题,各种说法都有,为什么? Some students say yes, and _________(other) say no. there is no reason the students shouldn't work hardthere is no reason______ the students shouldn't work hardwhomwhichwhywho No and and no and no Sadly didn't force and no goal No teachers and no students 后面谓语动词用单数还复数? No teachers and no students 后面谓语动词用单数还复数?理由呢? 英语选择题（说明原因）：_______are good students.A.Tom and I.B.I and Tom.C.Tom and my.D.No,it isn't. “No student和No students哪个正确? Students of Tsinghua,no Saturday,no Sunday,no holiday! Some students say yes,and _______say no .A .anotSome students say yes,and _______say no .A .another B .the other C .others he has no brother_____ no sister.he doesn't have a brother_____ sister.选and or He had no money and no place to live.前面是had为什么不是don't? Your love i can't play and lose no ,