In the study families are _______ according to their incomes.
A. classified
B. intensified
C. purified
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I think your problem _______ lacking efficient methods.
A. lies in
B. lays in
C. lying in
The audience was ________ by her wonderful performance.
A. attract
B. fascinate
C. captivated
Some of the oldest buildings in this area ________ 300 years ago.
A. date back
B. date to
C. date back to
Can we ______ your appointment for next Thursday?
A. rearrange
B. reunion
C. reconstruct