【導(dǎo)讀】Lesson4Who’sShe?Thisismymom.Thisismydad.Andthisisme.Who’she?He’smy.What’syourname?I’m.Isheyourbrother(,too)?No,heisn’t.He’smyfriend.friend,Xiaolan.Hi,’sshe?Hi,are. you?I’mfine,thanks.Peter,thisismyfriend,Tutu.Nicetomeetyou,Tutu.Nicetomeetyou,too.