阿摩線上測驗
3. For centuries large communities of people ____ on houseboats in parts of the world where the climate is warm and the
waters are calm.
(A) have been living
(B) could have lived
(C) might have been living
(D) have living
(E) have been lived
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統計： A(14), B(6), C(1), D(3), E(3) #1093365
統計： A(14), B(6), C(1), D(3), E(3) #1093365