一Tell us, Mark ,what is the ____ of the American Civil War?一 Well, is it because the black slaves wanted freedom?
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A
effect
B
cause
C
result
D
reason
推荐题目
Bill was doing a lot of physical exercise to build up his_________.
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A
energy
B
force
C
strength
D
power
US President Barack Obama is expecting the economy to show some _________ of recovery．
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A
attempts
B
signs
C
contents
D
waves
Mary had taken _____ to see that her guests had everything that they could possibly want.
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A
efforts
B
pains
C
attempts
D
endeavors
After receiving the news , immediate _______ had been taken by the local government to stop the disease spreading .
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A
speed
B
behavior
C
action
D
measure
24．We have strong __________ for believing that the mine accident in Heilongjiang was due to the poor management.
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A
grounds
B
reason
C
cause
D
Purpose