Do you know where it is ?是什么意思

Do you know where it is ?是什么意思 do you know where it is 为什么不是do you know where is it? 补充:Do you know where... where did you do it? Where is home?Do you know? Do you know where is my angel? Do you know where sugar is （? ） do you know where the sahara D______is Do you know where sugar is 什么? do you know where suger is p--- Do you know where the meeting Do you know where is inner mongolia? Do you know?Where did it happen?(合并成宾语从句） I ( ) find my English book. Where is it? Do you know? But do you know where is the_?It's_ _the library._can I get there? Do you know where Hainan is?It's ( )the south ( )Chaina.填介词 句子哦：it is me who know you do really want to do and where you heart belong ___she met the man and made friends with him?a:do you know it was where thatb:where do you guess it was that