23. Tina: How long have you studied English?
Mary: __
(A) Three years ago
(B) Once two days
(C) For five years
(D) Last year
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統計: A(4), B(1), C(12), D(1), E(0) #3386061
統計: A(4), B(1), C(12), D(1), E(0) #3386061