被动语态的疑问句 — 英语选择题
题目
在博物馆里，Tom 听到讲解："These special kites are made from silk and bamboo." 他想用被动语态询问风筝的生产地点。下列哪个问句正确？A. Where are these kites made of? B. Where these kites are made? C. Where are these kites made? D. Where are these kites made from?