阿摩線上測驗
40 The fire department received an emergency call reporting a gas _____ in a residential building.
(A) discharge
(B) fission
(C) glow
(D) leak
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統計： A(29), B(6), C(27), D(61), E(0) #3461809
統計： A(29), B(6), C(27), D(61), E(0) #3461809
