37.We must be careful not to do anything that might ………….. the economic recovery.
A. danger B. dangerous C. endanger D. endangered
38.Up to now, we have hardly estimated the ……….that our country suffered during the war.
A. destroy B. destroyable C. destructive D. destruction
39. The regulation of the competition will be announced ………on TV next week.
A. office B. officer C. official D. officially
40. Van Cao is one of the most well-known……………in Viet Nam.
A. music B. musical C. musicians D. musically
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