中文谷單項選擇。—Inmyopinion，notallinventionswereinventedby
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問題詳情：
單項選擇。
—In my opinion，not all inventions were invented by ________ accident.
—Well，you do seem to have ________ nting needs much time and hard work.
A．an；a B．an；the C．/；a D．/；the
【回答】
C
知識點：冠詞
題型：選擇題
標籤：
inmyopinion 單項
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