You can get the best result ______you carry out the experiment under the desired conditions.
#31006
A
what if
B
even if
C
only if
D
as if
推荐题目
The fact that fun is not equal to happiness may be the opposite of ______ many people actually understand.
#31881
A
why
B
that
C
which
D
what
In America．a friend's inviting you to a restaurant doesn't mean that he or she will pay for the meal you are told in advance．
#32275
A
unless
B
if
C
although
D
until
It was early morning in London _____ Prime Minister Cameron arrived to give his speech.
#30166
A
where
B
when
C
before
D
that
The paper fish is really beautiful! Can you show us ______ you make it?
#31029
A
how
B
who
C
whether
D
what