题目内容

The president acknowledged that he had somehow ________ his ability to communicate to the American people.

A. broken down
B. failed in
C. came to nothing
D. be defeated

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‎Unfortunately, as history has shown, some of the companies are guilty of misconduct ________ profit.

A. go after
B. in the pursuit of
C. seek for
D. run after

We see many special education directors trying to ________ the quality of their programs with much less money and much smaller staff.

A. hold
B. keep
C. maintain
D. promise

‎He knows that the ________ of social status can consume vast amounts of his time and effort.

A. seek
B. pursuit
C. search
D. chase

The doctors are at a loss because so far no medicine has been found to ________ the spread of the disease.

A. inhibit
B. prevent
C. stop
D. hold

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