10. People _____ shy about sex, but now even women are free to discuss it.
(A) used to be
(B) are used to being
(C) use to be
(D) were used to being
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統計: A(343), B(21), C(8), D(41), E(0) #1816188
統計: A(343), B(21), C(8), D(41), E(0) #1816188