Only when you experience the bad earthquake taking place in Si Chuan______ the importance of life.
#81125
A
can you understand
B
are you understand
C
do you understand
D
did you understand
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________ who had arrested him three times for carrying drugs.
#79785
A
Before George stood the policeman
B
Before George the policeman stood
C
Before the policeman stood George
D
Before George did the policeman stand
If you don’t go to his birthday party next Friday,_____. 
#83878
A
so do I
B
so will I
C
nor do I
D
nor will I