阅读对话,完成句子.A：Hello.This is wang tao.may i speak to hu ping,please?
b:hi,wang tao,this is sally.hold on,please.hu ping,your telephone.c:hi,wang tao.did you go on a raft trip down the stream?A:yes,i did.ti was very interesting.C:when did you come back?A:on july 6th.1.A is ___________.2.B is____________ 3.C is________ 4._________went on a raft trip 5.wang tao came back on______.