He felt honored to do _______work during 2008 Beijing Olympic Games.
A. volunteer
B. volunteer's
C. volunteers
D. volunteering
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The company _______a survey to find out the needs for their products in the market.
A. narrow down
B. conducted
C. base on
D. conducting
A(n) _______is a vocation by which you make a living.
A. prefer
B. explore
C. base on
D. occupation
The company _______five departments.
A. is comprised of
B. base on
C. conduct
D. investigate
You should _______everything that is necessary for making the final decision.
A. take consideration
B. base on
C. is comprised of
D. take into consideration
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