Iusedtobeafraidtospeakinfrontofpublicbefore,butrecentl... 国语站 题库 2.11W 大中小设置文字大小 问题详情: I used to be afraid to speak in front of public before, but recently I _____ a lot. A. have improved B. improved C. will improve D. am improving【回答】A知识点:动词时态题型:选择题 TAG标签:#