we have three classes ___PE every week.A.in B.for C.on 应该选择那个?
问题描述：
we have three classes ___PE every week.A.in B.for C.on 应该选择那个?
答
应选A.例如：I've been taking classes in pottery.我一直在学陶艺.She's going to evening classes in Italian.她准备去夜校学意大利语.She is attending evening classes in computer studies.她在夜校上电脑课....