If nature does not provide man with the necessary material, it is the laboratory ____ he will turn to for it．
#78593
A
where
B
that
C
which
D
what
推荐题目
Technology has quickened the rate _________ we communicate with the world around us.
#76452
A
for which
B
at which
C
to which
D
with which
Is that the reason __________ you are in favor of Obama for the second round?
#78058
A
which
B
why
C
the one
D
for which
Although several months has gone by, Mary still has __________ memories of things and persons __________ she felt curious about at the wedding reception in Brunei.
#77391
A
equal, that
B
fond, /
C
worthwhile, whom
D
slight, which