A disagreement about boundaries is ___ the heart of the two country’s dispute.
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____ 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
His time at university was the most ____ period of her life.
A. eventual
B. enduring
C. eventually
D. eventful