[ Vocabulary ]
Research has shown that office ______ has negative effects on employers’ productivity and job performance.
A. bloodstream
B. clutter
C. airflow
D. bronchitis
Select your answer:

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Subject-Verb Agreement › ViewI ________________ my artwork.
A. Has completed
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Vocabulary & Grammar › View
His report seems to ___ what he said in the meeting.
A. undertake
B. contradict
C. oversee
D. refute
