Unit5 Whose dog is it ?单词:Mine, yours,his,hers,theirs,ours, sleep- sleeping eat- eating play- playing jump - jumping drink - drinking climb - climbing 重点句型 1、 Whose dog is that ? Its my dog .=The dog is mine. 2、 Whose dog is it ? Its your dog ./The dog is yours .3、 Whose is it ? Its Zhang Pengs. 4、The yellow picture is mine .5、Are these all ours ? Yes , they are. 6、Is he drinking water? Y