Since last year, the crime rate in Chicago has sharply __.
A. declined
B. lessened
C. descended
D. slipped
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A disagreement about boundaries is ___ the heart of the two country’s dispute.
A. at
B. of
C. in
D. by
____ heart---things can only get better.
A. Have
B. Pluck
C. Take
D. Lose
The teachers said his work was _____ but there was still room for improvement.
A. satisfied
B. satisfactory
C. grateful
D. gratified
At midnight, he drove through streets ____ of traffic.
A. empty
B. lacking
C. lack
D. crowded