I don't know where he lives不加in.那么加in的从句在什么情况下有?

I don't know where he lives不加in.那么加in的从句在什么情况下有? where does he live?不加in 为什么he lives in Japan.就要加in? I don't know where he lives.I don't know where he came from. Does he still live in that street?I don't know.(改为宾语从句 I don I don't know where he _______ (hide) in the park.I can't fin 求英语翻译：老师说是Can you tell me where he lives?为什么lives后面不加in where does Mr.Black live?Sorry,I don't know where he lives 定语从句中,介词加which与when,where在用法的区别?什么情况不能用介词加which? ---where is xiao wang?---i don't know.he ( ) be in the libra where is xiao ming?i don't know .He __be in the library. in where在什么情况下做定语从句连接词?和where做连接词又有什么区别呢? 宾语从句 语法I don't know if ／whether he still lives here after so