where's your brother?at Mr Green's为什么就是没人鸟?

where's your brother?at Mr Green's为什么就是没人鸟? where's your brother?at Mr Green's where's your brother?at Mr Green's还是这个问题 Where’s your father At _________.A.Mr Green’s B.Mr.Green C.t Where is your father?--At Mr Green' Where's your brother?He's ( ) Hefei Where is your father?At A Mr Black's B Mr Black C the Mr Bla —Excuse me. Where is Mr Green’s office? Mr Green's family are sitting at the ___ ____dinner Where's your brother?---He has gone downstairs 这里的gone 后面为什么 Mr Green is my ______ .He's my mother's brother. Where is your aunt?She is at the doctor‘s.为什么用doctor’s