BItsme的精选

问题详情：A:  1 B.It'sme,   2  A.Oh!Icomein,please.B.B:Thanks.Howareyou?A:Fine,thankyou.Andyou?B:I'mfine,too.   3   Thisismyfriend,LiPing.A:   4   Whereareyoufrom?B.I'mfromCanada....