阿摩線上測驗
87. In the Bermuda Triangle, a region in the western part of the North Atlantic Ocean, some airplanes and ships were reported to have mysteriously disappeared without a _____.
(A) guide
(B) trace
(C) code
(D) print
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統計： A(23), B(101), C(4), D(5), E(0) #1592297
統計： A(23), B(101), C(4), D(5), E(0) #1592297
