Unit4ThenandnowPartALet'slearnYoucanreadbooksinit.Whatisit?It’sa___________.libraryThereareteachersinit.Theyoftenworkthere.Andyouoftenhankin(上交)yourhomeworkthere.Whatisit?It’sa___________________.teachers’officeYouoftensingsongsinit.It’sa______________.musicroomYouoftendrawspicturesinit.It’san______________.artroom(T:What’sthis?Whoseschool?What’stheschoollike?)Whereisit?grassplaygroundcanwedoonthegrass?playfootball(run/jump)Whereisit?gymWhatcanwedointhegym?playbasketballplayping-pangplaytennis