阿摩線上測驗
33. Which is the best title for this article?
(A) Tips to Protect the Environment
(B) My Efforts to Protect the Environment
(C) How to Recycle Easily
(D) The Benefits of Environmental Protection
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統計： A(31), B(77), C(6), D(1), E(0) #3315162
統計： A(31), B(77), C(6), D(1), E(0) #3315162
