6. Which of the following have has different pronunciation from the other three?
(A) Do you have time?
(B) I didn't have time.
(C) Have you been to Hong Kong?
(D) I have been to Japan.
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統計: A(0), B(1), C(0), D(0), E(0) #2817262
統計: A(0), B(1), C(0), D(0), E(0) #2817262