A. twice as many B. twice as much C. as twice many D. as twice much
A. frequently B. dependently C. effectively D. reasonable
A. concerned B. pround C. familiar D. necessary
A. safely B. probably C. secretly D. heavily
A. three times height of B. three times that of C. three times the height D. three times the height of
A. carefully B. gravely C. critically D. severely
A. negative B. enthusiastic C. generous D. engaged
A. special B. reaponsible C. unusual D. particular