题目内容

Those people __ a general understanding of the present situation.

A. lack of
B. are lacking of
C. lack
D. are in lack

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Since last year, the crime rate in Chicago has sharply __.

A. declined
B. lessened
C. descended
D. slipped

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

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