What class does he in? What class is he in? 这2个句子有嘛问题? 我的本意是他在哪个班
问题描述：
What class does he in? What class is he in? 这2个句子有嘛问题? 我的本意是他在哪个班
答
应该是Which class is he in?
【哪个当然用which,be+介词】