Only at that time how much time she had wasted.
#81919
A
Mary did know
B
did Mary know
C
does Mary know
D
Mary does know
推荐题目
The new machine, if properly, will work for at least ten years.
#80823
A
used
B
use
C
using
D
being used
Only by practising constantly__________ greater progress.
#82653
A
we can make
B
then we will make
C
can we make
D
we must make
______ a man knows what is not to be done, will he succeed in doing what is to be done.
#82357
A
What if
B
If only
C
As if
D
Only if
Not until his mother came back_______.
#81003
A
he began to do his homework
B
had he began to do his homework
C
he had begun to do his homework
D
did he begin to do his homework