beat sb.in sth.和 not necessary的结构beat sb.in sth.结构 知识 还有造句not necessary的结构 知识 造句[注意：不是necessarily,是necessary]

beat sb.in sth.和 not necessary的结构beat sb.in sth.结构 知识 还有造句not necessary的结构 知识 造句[注意：不是necessarily,是necessary] beat sb.in sth和beat sb.at sth有什么区别 都分别怎么用 求讲解 beat sb.at sth.和beat sb.in sth.什么情况下用at的形式?什么情况下用in的形式?最好举出例句. beat sb.in sth和beat sb.at sth哪个正确,或者都正确,我好像两个都见过,但忘记怎么用了, beat sb in establish sb in sth和 establish sb as let sb do sth和let sb not do sth的区别 make sb do sth 和make sb not to do sth的区别 join sb.in sth. help sb in sth和help sb with sth的区别和用法 regarding sb/sth和in/with regard to sb/sth有什么区别 ask sb to do sth 和 ask sb in doing sth 有啥区别? differ with sb in sth 和 differ with sb over /on sth 的区别在那里, sb spend on sth和sb spend in dong sth有什么区别就是这样 hit sb on sth和in sth区别sth 比如说leg head eye ear... 给我sb.和 把sb.拿给我 in English?不是sb 是sth 闹笑话了 sb.和 sth. sb.和 sth.