II. Dialogue11. A: ________
B: I have been there once.
(A) Have you ever gone to Japan?
(B) Have you been to Japan before?
(C) How many times have you gone to Japan?
(D) How many times have you been to Japan?
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統計: A(28), B(157), C(31), D(332), E(0) #2002996
統計: A(28), B(157), C(31), D(332), E(0) #2002996