4、ildgeeseflysouth.(3)Wildgeesechangetheirhomesthreetimeseveryyear.(4)Whenitiswarminthenorthinspring,wildgeeseflybackthen.五、对话练习(共2题;共2分)9.(1分)—Whatcanhedo?—_______第5页共5页10.(1分)读一读,将字母代号写在横线上。⑴Whatdoesyourbrotherdo?_______ A.Yes.Iam.⑵Whatdoesyoursisterdo?_______ B.