英语语法句型They did not have the kind of machinery that builders and engineers have today.that在这里起什么作用

英语语法句型They did not have the kind of machinery that builders and engineers have today.that在这里起什么作用 they did not know which end was they said they did not need any help.同义句 They did not pay any attention为什么不用had not 小学英语语法,小学英语句型. 高中英语语法与句型 初中英语语法句型 翻译一下这句 They did not look anything like they do today.They did not sound anything like today. They said they did not need any help.(同义句转换 ）they said they ( )( ) help the team did not lose the game, 后面接did they? 还是did it? they did not pay any attention为什么要加did.不懂did得用法? 将“What did they do last night”改为What they did last night 这种句型转换叫做什么?这种句型转换的语法有吗? They did not their homework yesterday.有什么语法错误? In fact,you did not know they could have been they did not have much money改同义句 Why did not they accept your cheque?变成被动语态 they did not know which was better是什么意思 They did not need to arrive so early.中的arrive