How long has Miss Gao lived in shanghai?你說(shuō)的這個(gè)是對(duì)for 20 years 提問(wèn)的吧？對(duì)20 years提問(wèn)你會(huì)么？For how many years has Miss Gao lived in shanghai?啊啊啊啊，我糾結(jié)了，這個(gè)怎么那么怪異？這是對(duì)20提問(wèn)的把？如果只對(duì)20年提問(wèn)，介詞for要留下，提問(wèn)時(shí)放在句首。