对划线部分提问:He used to wear jeans .___ ___ he ___to ___

问题描述:

对划线部分提问:He used to wear jeans .___ ___ he ___to ___
对划线部分提问:He used to wear jeans .【划线部分:jeans 】   ___ ___ he ___to ___  谢谢

What did he use to wear?