It _______ long ______ we know the result of the experiment.
#40329
A
will not be, before
B
is, after
C
will not be, until
D
is, before
推荐题目
Neither you or he ______ Hawaii before.
#41934
A
has gone to
B
have gone to
C
have been to
D
has been to
Where ______my shoes? I can’t find ______.
#40304
A
is:it
B
does;it
C
are;them
D
do;them
- Look! Somebody_______ the sofa.-Well, it wasn't me. I didn't do it.
#39565
A
is cleaning
B
was cleaning
C
has cleaned
D
cleans