Miss Gao has lived in shanghai for 20 years.(对20 years提问）
问题描述：
Miss Gao has lived in shanghai for 20 years.(对20 years提问）
答
How long has Miss Gao lived in shanghai?你说的这个是对for 20 years 提问的吧？对20 years提问你会么？For how many years has Miss Gao lived in shanghai?啊啊啊啊，我纠结了，这个怎么那么怪异？这是对20提问的把？如果只对20年提问，介词for要留下，提问时放在句首。