题目内容：
The government official can hardly find sufficient grounds ____his arguments in favor of the revision of the tax law.
(A) on which to base
(B) which to be based on
(C) to base on which
(D) on which to be based
参考答案：
选择题：The government official can hardly find sufficient
- 题目分类：郑州工程技术学院-大学英语（2）
- 题目类型：选择题
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The government official can hardly find sufficient grounds ____his arguments in favor of the revision of the tax law.
(A) on which to base
(B) which to be based on
(C) to base on which
(D) on which to be based