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In order to understand the____ of the animal, she spent many years recording its daily activities.
#5876
A
performance
B
deed
C
behavior
D
personality
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If we keep wasting so much energy, ________ are that our oil wells will dry up and the environment will be destroyed.
#5745
A
problems
B
difficulties
C
questions
D
Chances
 So far there have been hundreds of _______ infected with H1N1in our province.
#6748
A
points
B
cases
C
examples
D
diseases
She is in a poor       of health, which worries her mother much.
#7492
A
position
B
situation
C
state
D
condition
_____ of the new aircraft will start next year.
#6767
A
produce
B
production
C
product
D
productive
The dictionay is really ____.
#7365
A
much use
B
of useful
C
of much use
D
able to use