问题
The scientist, __________ my father works, is about 50.
A:on whom
B:to which
C:with which
D:with whom
B:to which
C:with which
D:with whom
正确答案是：
同类题型
Not everyone is equal to the task because it special skills and much patience．
In copying this paper, be careful not to leave _______ any words
Professor Williams keeps telling his students that the futureto the well educated. [ ]
______ is even more important is that the earth cooled down, water began to appear on its surface