習題庫 —Isthis ruler? —No,it’s eraser.A.an... 來源:國語幫 2.28W 問題詳情: — Is this ruler? — No, it’s eraser.A. an, a B. an, an C. a, an【回答】C知識點:冠詞題型:選擇題 eraserAan NoIt ruler Isthis