He is quite _______ to his students.
A. devoting
B. friend
C. dedicated
D. command
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The police laid a ______ for theft against him.
A. charge
B. change
C. request
D. demand
It is considered that the cat got ill by eating the ________ pet food.
A. polluting
B. contaminated
C. worse
D. tainting
He didn’t ___________ until at the end of the party.
A. turn down
B. turn off
C. turn up
D. turn out
We need to be more ________ in promoting ourselves abroad.
A. energy
B. power
C. empower
D. energetic