the concert wil be held _4pm,用什么介词

the concert wil be held _4pm,用什么介词 the concert is to be held this evening.句子成分分析 这句话介词用的对吗The industrial exposition will be held on September concert前面加什么介词 HELD后面加什么介词, when will the party be held.这句话中为什么用be held .不懂. 一道关于介词的题the sports meeting is to be held _____the sixth of S 可以用when and where the meeting tobe held吗?to be held 是什么语法形式? Where will the 2008 Olympic Games be held?用中文翻译 What wil the weather be like tomorrow? 几道关于介词英语题1.The Oiymqic Games(奥运会） will be held in China ____ at the concert 什么时态