16. Which of the following can be a good title for this passage?
(A) How to Enrich One’s Garden
(B) A New Way to Make Use of Food Waste
(C) Management of the Biodegradable
(D) Know-how of a Good Gardener
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統計: A(10), B(240), C(66), D(11), E(0) #3238026
統計: A(10), B(240), C(66), D(11), E(0) #3238026