5. Ms. Landau stated that it is _____ that all department heads submit their cost estimates by Friday.
A. vitally B. vitalize C. vital D. vitality
9. Property developers are ______ to build a power plant near the residential area.
A. hesitated B.hesitation C.hesitant D. hesitate
12. Many nations are becoming increasingly _____ on imports from China and India.
A. reliant B. relied C.relying D.reliance
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