阿摩線上測驗
25. Mr. Gordon smokes about 20 _____ every day.
(A) cigarettes
(B) sticks of cigarettes
(C) pieces of cigarette
(D) pieces of cigarettes
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統計： A(33), B(27), C(31), D(8), E(0) #868012
統計： A(33), B(27), C(31), D(8), E(0) #868012
