大家能帮我看看这句话有错吗Prior to giving their oral presentation,study participate were asked to predict their performance.这里giving应该换成过去式吧,也就是换成gave对吧?

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/10 15:35:55

大家能帮我看看这句话有错吗
Prior to giving their oral presentation,study participate were asked to predict their performance.
这里giving应该换成过去式吧,也就是换成gave对吧?

giving不用给,prior to后面要跟现在分词,但是study participate是什么东东?participate是动词,参加的意思,放在这里不通啊.