Our government has taken some measures to overcome the lack of electricity, but it may take some time _____ we have enough power．
#33827
A
since
B
after
C
unless
D
before
推荐题目
---We’ve seen many more days of blue skies recently. ---True. But back in 1998, ________ Beijing started its “Defending the Blue Sky” program, the city only ________ about 100 days a year.
#34101
A
which, sees
B
that, saw
C
when, saw
D
and, seeing
Nobody believed a 92-year-old man could run a marathon_______he passed the finishing line. People of all ages can challenge themselves.
#30855
A
if
B
since
C
until
D
unless
—What has made him look like lacking sleep?—_______ his wife is ill and he has to get up several times a night to attend to her.
#31700
A
For
B
Because
C
That
D
What
______ the police thought he was the most likely one, since they had no exact proof about it, they could not arrest him.
#80600
A
Although
B
As long as
C
If only
D
As soon as
I had been puzzled over the problem for over an hour without any result, all at once a solution flashed across my mind.
#33232
A
while
B
when
C
then
D
as