阿摩線上測驗
26. To protect themselves from enemy attacks, the inhabitants of the castle _______ its walls and built a moat around it.
(A) forwarded
(B) fortified
(C) fertilized
(D) forfeited
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統計： A(2), B(4), C(3), D(2), E(0) #3961131
統計： A(2), B(4), C(3), D(2), E(0) #3961131
