Overseas Chinese are particularly sought out for positions         a high degree or leadership is required.
#30522
A
where
B
which
C
when
D
what
推荐题目
Doctor Smith has made another wonderful discovery, _______ great importance. 
#30394
A
which I think is of
B
which I think it is of
C
which is I think
D
I think which is
We won’t give up _______ we should fail ten times.
#79781
A
even if
B
since
C
whether
D
until