单项选择题

The scientists have absolute freedom as to what research they think it best to （）

A. engage
B. devote
C. seek
D. pursue

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The local police are authorized to （）anyone’s m6vements as they think fit.

A. pause
B. halt
C. repel
D. keep

单项选择题

This project would （）a huge increase in defense spending.

A. result
B. assure
C. entail
D. accomplish

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