________ he stops driving himself like this, he'll have a breakdown.
#30254
A
Until
B
Once
C
Since
D
Unless
推荐题目
_____ the government recovers the vehicle purchase tax and the oil prices go up continuously, the sales of the vehicle in China are still increasing every year.
#31216
A
When
B
Once
C
Since
D
While
This year’s fall in profits was not unexpected ,it is very disappointing.
#79702
A
Otherwise
B
But
C
However
D
Nevertheless
—Did you remember to give Mary the money you owed her?—Yes. I gave it to her ________I saw her.
#31442
A
while
B
the instant
C
suddenly
D
once
_____ I do feel pity, I can’t really do very much to help them out of the difficulty.
#31728
A
As long as
B
As
C
while
D
Even