Only when they were put in prison and lost freedom(自由) _________ its importance.
#81127
A
they realized
B
did they realize
C
realized they
D
had they realized
推荐题目
When first ________ to the market, the computer software ． was not a success due to its complexity in operation.
#82627
A
introducing
B
being introduced
C
introduced
D
to be introduced
Only when he was refused by the interviewer ____ the importance of knowing English.
#81118
A
was he fully aware of
B
he was fully aware of
C
was fully he aware of
D
he fully was aware of
Some researchers believe that there is no doubt ____ a cure for AIDS will be found.
#81173
A
which
B
that
C
what
D
whether
Only after my friend came________．
#82219
A
did the computer repair
B
he repaired the computer
C
was the computer repaired
D
the computer was repaired