It was several minutes ____we realized what was happening-our dog was trapped in a newly-dug tunnel.
#30154
A
since
B
before
C
until
D
while
推荐题目
________ is quite natural,a beginner can't read the books written in English very quickly.
#80332
A
Which
B
As
C
What
D
It
Cindy shut the door heavily and burst into tears. No one in the office knew she was so angry.
#31149
A
where
B
whether
C
that
D
why
She showed the visitors around the museum，the construction ________ had taken more than three years.(2011·江西)
#30492
A
for which
B
with which
C
of which
D
to which
All the dishes in this menu， _____ otherwise stated， will serve two to three people.
#79929
A
as
B
if
C
though
D
unless