阿摩線上測驗
33. Columbia University _______ a school for men, but now it is coeducational, serving as many women as
men.
(A) was used to
(B)was used to be
(C) used to be
(D)used to being
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統計： A(16), B(63), C(146), D(16), E(0) #1571271
統計： A(16), B(63), C(146), D(16), E(0) #1571271
