19.There was an earthquake in central Taiwan yesterday. Fortunately,
no loss of life was reported. However, because of the danger of
aftershocks, it was essential that the area ______ evacuated quickly.
(A) to be
(B) will be
(C) is
(D) be
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統計: A(17), B(17), C(4), D(66), E(0) #571402
統計: A(17), B(17), C(4), D(66), E(0) #571402