问题描述：
Who are you waiting _____ ____ the bus stop
横线有两个
还有一题：
I have been to Hong Kong twice.(划线部分提问）【twice划线】
______ ______ _______ have you been to Hong Kong?
横线有两个
还有一题：
I have been to Hong Kong twice.(划线部分提问）【twice划线】
______ ______ _______ have you been to Hong Kong?
问题解答：
我来补答展开全文阅读