Daniel's uniform ______ John's.为什么是c

Daniel's uniform ______ John's.为什么是c The policemen are in uniform为什么uniform不加s I like that son of ______.A、john's sister B、john sister's C、 ______ _______ John"s pen pal ______? we wear school uniform at school.uniform为什么不加s? 是He'got a uniform.还是He's got an uniform? Daniel's bedroom is ____ ____ ____ John's.丹尼尔的卧室和约翰的大不一样.（根据 英语翻译ReferencesArthur,L.M.,Daniel,T.C.and Boster,R.S.(1977).S Todday is jane's wedding.She ______ john. he always ____(穿)uniforms 填什么?为什么填这个?always 、uniform为什么加S? some friends of( ) will come here A.John's B.John C.John' D. 2、Where’s John?.A:He’s sleeping.B:She’s sleeping.C:He’s slee