20. Was there to be a serious accident at one of Switzerland's nuclear reactors, many of the radiation victims would be residents of other countries
(A)Was there
(B)at
(C)reactors
(D)the
(E)would be
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統計: A(19), B(2), C(0), D(0), E(2) #3085711
統計: A(19), B(2), C(0), D(0), E(2) #3085711