--- May I go and play with Dick this afternoon, Mum?--- No, you can’t go out _____ your work is being done.
#31631
A
before
B
until
C
as
D
the moment
推荐题目
It was some time       we realized the truth.
#30839
A
when
B
until
C
since
D
before
We don’t doubt _____ he can do a good job.  
#34097
A
whether  
B
that  
C
how
D
why
      I toured the Great Wall,I was deeply impressed with the beautiful scenery.
#29943
A
For the first time
B
At first
C
The first time
D
It was the first time
 ________ it is, the boy never seems to be able to finish it off.
#30273
A
However interesting a book
B
Whatever interesting a book
C
How interesting a book
D
What an interesting book