为什么Dr.Black comes from either Beijing or Shanghai ,I can't r

为什么Dr.Black comes from either Beijing or Shanghai ,I can't r 2．Dr. Black comes from either Oxford or Cambridge, I can't r 英语2.Dr.Black comes from either Oxford or Cambridge,I can’t r Dr.Black comes from either Oxford or Cambridge ,I can’t reme Dr.Black comes from either Oxford or Cambridge,I can't remem Dr. Black comes from either Oxford or Cambridge. I can’t rem Dr Black comes from either 0xford of Cambridge,I can’t remem Dr.Johnson comes from either Chicago or Florida,I can't reme 1.Dr Black comes from New York or Chicago,I can't remember _ Mr Brown comes from either Oxford or Cambridge.I can;t remem Dear Either black or don't pull me,I ignored he comes from beijing.怎么用shanghai改选择疑问句?