11.The injury of their key player could be a(n) __________ factor in the game. A. decisive B. decision C. decided D. decisively 12.Britain’s poor economic performance was a cause for the growing public ________. A. complain B. terrible C. heap D. concern 13.__________ measures should be taken to prevent such accidents. A. Efficient B. Effective C. Relevant D. Virtually 14.Although there were only 4 horses ________ , it was an exciting race. A. competing B. issue C. bond D. run 15.One of the __________ qualifications for entering this company is to hold a master’s degree. A. essential B. initiative C. talent D. obviously