河南成教 / 大学英语（III）
正确率：100%
3[单选题]
<span style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'">The scientist could hardly find sufficient grounds ______ his arguments in favor of the new theory.</span>
A.which to base on
B.to base on
C.to be based on
D.on which to base
<span style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'">The scientist could hardly find sufficient grounds ______ his arguments in favor of the new theory.</span>
参考答案：
佳题速递：