The professor could hardly find sufficient grounds _____his arguments in favor of the new
theory.
| A．to be based on | B．to base on |
| C．which to base on | D．on which to base |
相关知识点
推荐试卷
The professor could hardly find sufficient grounds _____his arguments in favor of the new
theory.
| A．to be based on | B．to base on |
| C．which to base on | D．on which to base |
试题篮
()
粤公网安备 44130202000953号
