阿摩線上測驗
21、Almost one-third of all Americans _____ some form of recognized psychiatric disorder at some time in their lives.
(A) are experienced
(B) are having experience
(C) have experienced
(D) have been experienced
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統計： A(6), B(4), C(68), D(19), E(0) #2963965
統計： A(6), B(4), C(68), D(19), E(0) #2963965
