Our class finishes at 3:30 in the afternoon.为什么这里的finish要变复数形式?

Our class is the last ( ) cleaning the classroom.用finish ,finishing ,finishes ,to finish填空 Our class finishes at 3:30 in the afternoon.为什么这里的finish要变复数形式? ( )My English class _____ at 10:00.A.finish B.finishs C.finishes D.to finish My English class ____ at 9:00A.finish B.finishs C.finishes D to funush We must ( )our work at fairst.A:finish B:finishes C:finishing D:to finish 急 everybody( ) a penpal in our class.(be ) 求教：In a Class of Our Own A is in our class.A's sister is __________in our class.填both还是also It will be a long time___Peter___his work.A.before finishes B.after finishes finishes 连词成句 4o'clock finishes class at my unfortunately,their class our class duringunfortunately,their class our class during the basketball game last week.A.beat B.beated C.beaten byD.beaten Our English teacher often uses a r_______ in class. I think everyone ()a dictionary in our class. There are three ___in our class.A,Japanese B.American Each student ＿（have）a dictionary in our class. We usually begin our class at 8:00a.m. ______ of our class.填a monitor 还是 monitor Our class teacher_____(give) us a talk tomorrow.