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
Please never do such things _______ other people.
#77068
A
that will do harm to
B
as they will do harm to
C
as will do harm to
D
which are harmful to
Diamond, _________, is the hardest of all materials.
#78514
A
like we know
B
since we know
C
we know
D
as we know
In the study of modern science, there are many cases _____ soldiers can teach officers．
#78321
A
when
B
who
C
which
D
where