Lower taxes would __________ investment and help economic growth.
A. harness
B. highlight
C. spur
D. soar
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Maintaining the health and quality of life of the elderly is a __________ issue for us all.
A. critic
B. virtue
C. crucial
D. minor
Measles, which once killed 450 children each year and disabled even more, was nearly wiped out in the united states 14 years ago by the __________ use of the MMR vaccine.
A. universal
B. voluntary
C. vacant
D. virtual
Millions of wild flowers colour the valleys, __________ in April and May.
A. increasingly
B. potentially
C. especially
D. physically
Mr. Black gave an excellent speech that __________ expectations.
A. surpassed
B. surged
C. surfaced
D. superior