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
Life is like an onion， sometimes makes you weep when you try to open it．
#75417
A
that
B
which
C
as
D
what
In today’s competitive economy, ________ everyone is trying to do more with less, you’ve got to figure out a way to profit from the very beginning.
#76981
A
which
B
that
C
how
D
where
The whole family still live in the house, most of _____ windows face south.
#78569
A
the
B
whose
C
its
D
which
Can you imagine the trouble that they had ___ the orphan in the terrible years?
#75892
A
bring up
B
to bring up
C
bringing up
D
brought up