In the study of modern science, there are many cases _____ soldiers can teach officers．
#78321
A
when
B
who
C
which
D
where
推荐题目
For many cities in the world, there is no room to spread out further, ______ New York is an example.
#75480
A
for which
B
in which
C
of which
D
from which
The Great Wall is a place ______ almost all tourists would like to visit when they come to Beijing．
#77585
A
why
B
which
C
when
D
where
This is a very convenient place to live in, is an airport connecting all the big cities.
#75804
A
20 km northwest of it
B
20 km northwest of which
C
northwest 20 km to it
D
northwest 20 km of which
Would you be kind enough to help the boy _____ Chinese is really hard to learn?
#78011
A
who
B
whose
C
for whom
D
from whom