1) The man and the dog _____ walked in the park were dead. a) which b) that c) who d) what 2) Sending a message _______ easier by a samrtphone. a) is b) are c) was d) do 3) Selfie a) 自己 b) 自拍 c) 自私 4) AR a) A radio b) Augmented reality c) A reality 5) Herd mentality a) 從眾心態 b) 羊群 c) 同儕壓力

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