单项选择题

Without fact, nobody can form a worthwhile opinion, for he needs to have factual knowledge ______ his thinking.

A. which to be based upon
B. upon which to base
C. which to base upon
D. to which to be based
<上一题 目录 下一题>
热门 试题

单项选择题
______ he began to realize how far he had been lagged behind.
A. Having entered the new school it was found that
B. After entering the new school
C. When he had been entering the new school
D. Upon entering into the new school
单项选择题
According to the U.S. Federal Reserve, the output of automobiles might fall by ______ in November.
A．1.4%
B．3%
C．4%
D．1%
相关试题