10. Hand
ale pumps may slightly improve the flavor of ale over gas-powered
kegs, but modern pub managers contend that hand ale pumps cost
twice as much as gas-powered kegs.
A. hand ale pumps cost twice
as much as gas-powered kegs
B. hand ale pumps cost twice as much as gas-powered
kegs do
C. maintaining hand ale pumps costs twice as much
as gas-powered kegs do
D. maintaining hand ale pumps costs twice as much
as it does for gas-powered kegs
E. to maintain hand ale pumps costs twice as much
as for gas-powered kegs
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