西安世博园电话号码:怎么选?为什么?
来源:百度文库 编辑:高考问答 时间:2024/05/25 18:59:13
33. You were silly not your car.
A. to lock B. to have locked C. locking
D. having locked
A. to lock B. to have locked C. locking
D. having locked
选择D,这是一个完成时态