阿摩線上測驗
42. It's been raining heavily all day long; the lowlands __________ by now.
(A)flood
(B) have flooded
(C) have to be flooded
(D) have been flooded
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統計： A(7), B(8), C(15), D(28), E(0) #2059711
統計： A(7), B(8), C(15), D(28), E(0) #2059711
