The company won a hefty ______ for work on Chicago's tallest building.
A. payment
B. production
C. shipment
D. contract
They are the children of very ______ or successful parents.
A. excellent
B. conspicuous
C. prominent
D. noticeable
Please could you ______ me for my school's campaign for Help the Aged?
A. sponsor
B. launch
C. organize
D. plan
There are obvious ______ between the two wine-making areas.
A. distinctions
B. innovations
C. potentials
D. appreciations