Please remember that it is ______ to interrupt people when they are speaking.
A. personal
B. polite
C. proper
D. rude
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There is no best ____ to this problem.
A. feature
B. solution
C. penalty
D. section
Mother was full of ____ for the sick child.
A. concern
B. management
C. regard
D. worship
A balanced diet is achieved by an ______ amount of food one eats.
A. extra
B. enough
C. extraordinary
D. appropriate
I would like to ______ my appreciation for your cooperation .
A. express
B. receive
C. impress
D. indicate