Ispenthalfanhour 國語站 題庫 4.46K 大中小設定文字大小 問題詳情: I spent half an hour ________ the piano every day. A. to play B. play C. playing D. played【回答】C 知識點:動詞和動詞短語題型:選擇題 TAG標籤:Ispenthalfanhour #