请教英语语法(2007.12.20-1)My wife and I were at the race.There were twenty cars in the race.1..为什么一行用at,而第二行就in呢?

英语语法请教 come income in 请教英语语法(2007.12.20-1)My wife and I were at the race.There were twenty cars in the race.1..为什么一行用at,而第二行就in呢? 请教英语语法(2007.12.20)were 和 was一、There were hundreds of people there.二、We are reading book.二、My wife and I were at the race.假设这以上都是完整的回忆事件.ask:1、为什么,第二个are不用was?2、第三行,为什 请教一个关于将来时态的英语语法题 英语语法,请教,谢谢cells’ wallcells后边加个符号'是什么意思? 英语语法题 动词20 英语语法20-27 英语语法 英语语法, 英语语法, 英语语法, 英语语法 英语语法请教:Jim and Tom like还是likes coffee.如题 英语语法请教what about the dogwhat about the dog 翻译后,什么 about 狗about 英语语法请教：什么时候用助动词,什么时候用be动词,什么时候直接用动词? 英语语法请教:a very important thing 还是 an very important thing third conditional在英语语法中是什么意思虚心向博学者请教 英语语法请教：下列单词as、of、for、with、by的用法?