only recently ____ to deal with the problem.
A. something has done
B. has something done
C. has something been done
D. something has been done
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never before that night ____ the limit of my own power.
A. had i felt
B. i had felt
C. did i feel
D. i did feel
no one realized ____ it was until much later.
A. how serious a crime
B. what serious a crime
C. how a serious crime
D. how a crime serious
on no condition ____ with him.
A. we cannot agree
B. would we agree
C. can we agree
D. we can agree
factory workers have to work very hard, ____.
A. farmers do so
B. farmers work so
C. so hard farmers
D. so do farmers
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