Do you _________ or serve in an organization or are you a member of some group?
A.simplify B. require C. sign D. volunteer
Since production has risen ________, the personal income has increased year by year.
A. steadily B. fortunately C. particularly D. variety
From the ________ look on his face, I knew that he must have been threatened by someone.
A. vivid B. horrible C. curious D. terrified
--- You didn’t have a good time at the party?
---- No, I ______ a lot from the noise made by the band.
A. worried B. suffered C. heard D. enjoyed
The police are trying to find out the _______ of the woman killed in the traffic accident.
A. status B. identity C. recognition D. evidence
Working abroad for many years, he has made a big _______ and started a company of his own.
A. difference B. fortune C. progress D. breakthrough