阿摩線上測驗
7. Rear-end crashes are often caused by sudden deceleration or if another driver ________ to a higher speed than the car in front of it.
(A) decorates
(B) accelerates
(C) illustrates
(D) deliberates
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統計： A(31), B(464), C(68), D(86), E(0) #2673769
統計： A(31), B(464), C(68), D(86), E(0) #2673769
