She seemed unfamiliar with the concept that everyone should have an equal opportunity.
A. definition
B. idea
C. authority
D. identity
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I pondered over the incident, asking myself again and again how it could have happened.
A. doubted
B. considered
C. believed
D. conceived
The explosion scattered a flock of birds roosting in the trees.
A. moved
B. frightened
C. dispersed
D. killed
This information is no longer retained within the computer’s main memory.
A. pondered
B. maintained
C. entertained
D. held
A stolen car smashed into the bus.
A. trashed
B. slid
C. hit
D. broke