单项选择题

One reason for the successes of Asian immigrants in the U.S. is that they have taken great ______ to educate their children.

A．pains
B．endeavours
C．efforts
D．attempts
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单项选择题
Most people who travel in the course of their work are given travelling ______.
A．income
B．allowances
C．wages
D．pay
单项选择题
Although his work was often ______ and ______ , he was promoted any way, simply because he had been with the company longer than anyone else.
A．negligent ... creative
B．incomplete ... imprecise
C．predictable ... careful
D．forceful ... extraneous
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