hello!are you here?tell me what`s wrong why is he in hospitai?

Hello!I didn’t know you were here. hello hello how are you Hello!I _____ you _______ in London.How long have you been here?A.hadn't known,were B.hadn't known,are C.haven't known,are D.didn't know,are A：Hello.Are you new here?B：yes.I'm ___ here.横线上填什么? Hello,I( )you( ) in shenyang.How long have you been here?A,haven't know;are,B,didn't know; wereC,don't know;were D,hadn't known;are.求详解,翻译. Hello,I _______ you ______ in London.How long have you been here?A.don’t know; were B.hadn’t known; are C.haven’t known; are D.didn’t know ; were hello how are you HELLO,How are you. Hello who are you? Hello,Mike.I _ you _ in beijing.How long have you been here?A hadn't known,are B haven't known,are C didn't know,were Hello!I__you___in Tokyo.How long have you been here?A.don't known; were B.hadn't known;areC.have't known;are D.didn'know;were为什么选D?为什么第二空格是were不是are hello!are you here?tell me what`s wrong why is he in hospitai? 关于完成时的选择题hello i () you () in london,how long have you been here A did't know; were B haven't known ; are 我选B, A:Hello!Glad to meet you! B:Hello!Glad to meet you,too! A:You are new here,_1_ you? B:Yes,I am.A:You are _2_ America,aren't you?B:_3_,I’m not.I am from Australia.A:_4_you have been to Sydney Opera House,_5_you?B:Yes,I have._6_been there many times. （ ）can’t you come here?Are you busy hello.jenny.how.are.you? hello how are you 是什么意思 Hello,how are you doing?