阿摩線上測驗
17. According to the passage, why do gardeners use a compost pile?
(A) To save money
(B) To reduce food waste
(C) To make use of bacteria
(D) To provide nutrients to the soil
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統計： A(3), B(72), C(35), D(232), E(0) #3238027
統計： A(3), B(72), C(35), D(232), E(0) #3238027
