8.We want more__________for our food.
A. various
B. variously
C. very
D. variety
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9.The research center is using the latest electronic__________.
A. tool
B. facility
C. machine
D. equipment
10.His head was very__________.
A. plastic
B. painful
C. widespread
D. inventive
11.She is an__________in teaching small children.
A. experiment
B. experience
C. expensive
D. expert
12.He devote all his__________to work.
A. animation
B. expenses
C. despair
D. energies