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
I didn’t realize my mistake ________ my teacher had a facetoface talk with me.
#32640
A
until
B
after
C
since
D
when
They are talking so warmly and it looks ___ they had been old friends.
#33980
A
even if
B
if
C
as though
D
as
The woman ______ you met at my home was a teacher of English. Which of the following is wrong ?
#32033
A
whom
B
that
C
which
D
/
We were about to start out________ our friends called us up from Shanghai.
#31167
A
when
B
while
C
until
D
before
Whenever I met him, _____ was fairly often, I like his sweet and hopeful smile.
#80637
A
what
B
that
C
which
D
when