Only after my friend came ____.
#82423
A
did the computer repair
B
he repaired the computer
C
was the computer repaired
D
the computer was repaired
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It was announced that only when the fire was under control          to return to their homes. 
#80716
A
the residents would be permitted
B
had the residents been permitted
C
would the residents be permitted
D
the residents had been permitted
At no time________the first to use the nuclear weapon.
#82028
A
will China be
B
will be China
C
is China
D
China is
 _________ who had arrested him three times for carrying drugs.
#79844
A
Before George stood the policeman
B
Before George the policeman stood
C
Before the policeman stood George
D
Before George did the policeman