28. The horse _______ for prize money by a brutal millionaire.
(A) was used to race
(B) was used to racing
(C) used to race
(D) used to racing
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統計: A(158), B(34), C(50), D(12), E(0) #2297946
統計: A(158), B(34), C(50), D(12), E(0) #2297946