注意：此页面搜索的是所有试题
题目内容
（西安石油大学大学英语I（下））
Many a student that mistake before.(本题2.5分)
A、 has made
B、 have made
C、 has been made
D、 had made
A、 has made
B、 have made
C、 has been made
D、 had made
参考答案
