In the past 10 years it ________ the doctors ________ the new drug has great significance for the treatment of the dise

当前位置：高中英语 / 单选题

1. (2021高二下·广州期末) In the past 10 years it ________ the doctors ________ the new drug has great significance for the treatment of the disease.

A . puzzled; where B . has puzzled; whether C . puzzles; that D . had puzzled; how

微信扫码预览、分享更方便

使用过本题的试卷