Jackspendshalfanhour 國語站 題庫 2.15W 大中小設置文字大小 問題詳情: Jack spends half an hour______ exercise in the gym every day. do C. does D. doing 【回答】D知識點:動詞和動詞短語題型:選擇題 TAG標籤:Jackspendshalfanhour #