阿摩線上測驗
13. Many species have _____ because of the deteriorating environment of the Earth.
(A) dawdled
(B) vanished
(C) abducted
(D) fostered
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統計： A(14), B(209), C(21), D(25), E(0) #3235469
統計： A(14), B(209), C(21), D(25), E(0) #3235469
