英语小问题?谢谢帮助!
Attention,please!Ihaveafewthingstotellyou.Whenyouhavelessonsinthelanguagelab,remembertherules________Englishlisteningclass.
Don'tbelateforclass.Ifyou______(come)twominuteslater,theteacher_______(notlet)youin.
Chanheyourshoesbeforeenteringthelab.Ifyoudon'tdothat,thefloorinthelab_______(be)dirty.Don'trunor_______(fight)inthelab.Ifyoudothat,theteacher________(ask)youtogoout.
Don'tbringanythinghere_______yourtextbooks.Anddon'teatinthelanguagelab.(96)Ifyoudothose,theteacherwillaskyoutoleave.
Whenyouarein.pleasedon'ttouchthemachines________permission.(97)Don'tlistentomusicinthelanguagelab.Ifyoudothose,youwillhavetoleave.
Alwaysdo_______theteachertellsyouto.InclassyoushouldonlyspeakEnglish,notChinese.Ifyoudon'tdothat,theteacherwillbeunhappy.
Whenclassisover,turnoffyourmachinesandleavethelabone_______one.Ifyoudon'tdothose,perhapsthemachineswillbebroken.Andyouwillbefined.