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(A) The man should buy a ticket first.
(B) The train to I-lan will come soon.
(C) The train to I-lan just left.
答案:登入後查看
統計: A(4), B(4), C(28), D(0), E(0) #3102213
統計: A(4), B(4), C(28), D(0), E(0) #3102213