At times ,worrying is a normal, ________response to a difficult event or situation—a loved one being injured in an accident , for example.
#20429
A
effective
B
individual
C
inevitable
D
unfavorable
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To reduce emissions of greenhouse gases, many countries are increasing the use of natural gas, wind and other forms of _______ energy.
#17844
A
abandoned
B
original
C
alternative
D
precious
This is a(n) __________ arrangement,not a permanent one.
#20573
A
frequent
B
temporary
C
actual
D
individual
It is ________ of a bride to throw the flowers in her hand to the wedding guests.
#19838
A
fortunate
B
typical
C
ordinary
D
generous
The young pianist is very excited because the concert given by him has never been ____ .
#19397
A
successful
B
more successful
C
most successful
D
the most successful