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(A)We have the whole of history and the entire human race to explore.
(B)After all, they can always find historical gossips on the streets.
(C)There are lots of mysterious events in the universe.
(D)We have almost explored everything.
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統計: A(72), B(30), C(27), D(11), E(0) #1021149
統計: A(72), B(30), C(27), D(11), E(0) #1021149