21. A: There's an eraser on the floor. Is it __________, Dominic? B: No. My eraser is here. Ask
問題詳情
21. A: There's an eraser on the floor. Is it __________, Dominic? B: No. My eraser is here. Ask Amy. Maybe it's __________. (A) your ; her (B) yours ; hers (C) his ; my (D) his ; mine