【題目】The post office is far here. ______ you can't go there _______ foot

A. because; on B. so; by C. so; on

【答案】C

【解析】

試題分析：句意：郵局離這里很遠，所以你不能步行去那里。because因為；so所以，因此；by 乘坐交通工具；on在……上面；關(guān)于。根據(jù)句意可知，第一個空表示結(jié)果，應(yīng)該用連詞so；第二個空是固定短語on foot，意思是步行。故選C。

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