Where have you been _____ you left home?A.before B.as C.since D.when

where you have been与where have you been区别 where you have been与where have you been区别 Where have you ever been? where have you been里的have been怎么解释 where have you been all my life where have you been 什么意思 where have you been in Garden where have you been 哪里有错 where have you been all these days? where have you been up to? where have you been r_____,Tom Where the hell have you been where have you been all these days? Where have you been _______Lucky Island WHERE ARE YOU GOING WHERE HAVE YOU BEEN怎么样 where are you going?和where have you been 和what have you been? where have you been I have been to Australian 这个句where have you beenI have been to Australian where have you been 和where have you been to 哪个对?有什么不同?