AsSusanstaredat

問題詳情：

As Susan stared at ______ piles of plastic in her recycling bin, ______ strong sense of responsibility made her stick to her recycling work．

       A．不填；不填      B．不填; a            C．the ; a             D．the; the

【回答】

C

知識點：冠詞

題型：選擇題