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
The meeting had been on for half an hour _______ Miss Yang turned up.
#80164
A
while
B
As
C
Unless
D
before
The process of growing up is complex for every person, ________ there are many influential factors in a person's growth as well as the development of his personality.
#30552
A
but
B
so
C
for
D
therefore
________ I can see, there is only one possible way to keep away from the danger.
#30128
A
As far as
B
as long as
C
Just as
D
Even if