阿摩線上測驗
3.We should __________ all the possibilities when solving this problem.
(A) negate
(B) ponder
(C) attack
(D) project
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統計： A(12), B(27), C(8), D(11), E(0) #666683
統計： A(12), B(27), C(8), D(11), E(0) #666683
