注意：此页面搜索的是所有试题
题目内容
（河南财经政法大学-金融学-大学英语4）
Online courses require students to make decisions ________ on facts as well as experience.
A.to base
B.basing
C.based
D.being based
A.to base
B.basing
C.based
D.being based
参考答案
