试题详情
- 单项选择题The professor could hardly find sufficient grounds ________ his arguments in favour of the new theory. ( 章节：4 难度：3)
A、to be based on
B、to base on
C、on which to base
D、which to base on
- C
关注下方微信公众号，在线模考后查看
热门试题
A、to be based on
B、to base on
C、on which to base
D、which to base on
关注下方微信公众号，在线模考后查看