Our modern civilization must not be thought of as _________ in a short period of time.
A. to be created
B. having created
C. having been created
D. to have been created
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People should behave ________ on such a solemn occasion.
A. respectedly
B. respectfully
C. respectingly
D. respectively
It pains us to see that our environment is __________.
A. degenerating
B. deteriorating
C. declining
D. depressing
The fashionable lady ________ to be a thief.
A. proved out
B. proved down
C. turned in
D. turned out
With the constant change of the conditions, the outcome is not always _________.
A. favorable
B. reasonable
C. dependable
D. predictable
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