此句中是不是省略了介词“to”The Palestinians demand that refugees and their descendants be allowed to return to their former homes in Israel.此句中"be allowed"前是不是省略了"to"啊?

此句中是不是省略了介词“to”The Palestinians demand that refugees and their descendants be allowed to return to their former homes in Israel.此句中be allowed前是不是省略了to啊? 此句正确吗?I want to walk people from all over the world是不是省略了that的定语从句talk with 打错打错 介词省略了?-could you tell me how to get to the railway station?-go straight ahead till you come to the traffic lights,turn left and it's the first turning on the right.在“it's the first turning on the right”中,是不是省略了介词at 此句哪个that可以省略?the study aruges that the type of action needed aginest passive smoking should be similar to that being taken aginest AIDS此句中,这两个that,哪个可以省略? do you know the trouble i have____the work?A.to do B.doing C.done是不是省略句啊?省略了 i have(while i was)? 请问此句中(to teaching 在此句中是介词短语作方式状语吗?to ）l hate the force-feeding aproach to teaching. “主语(非单三)加动词原形,再加其他”此时动词原形是不是不加to的动词不定式,而省略了助动词do?此句为一般现在时. He said goodbye to everyone he knew before he left the city .此句中everyone后省略的先行词是什么? it also travels past the east coast of the united states towards easten canada,此句中past做副词还是介词,towards肯定做介词了,并分析此句句子成分 介词 副词在一起是不是省略介词? 1个英语问题 inside的词性a Russian nesting doll with five progressively smaller figures inside.此句中 inside是什么词性 有点不懂 那此句是不是省略了inside后的宾语? I'm tidy,but Gina is not.【此句中not后省略了什么】 kao yupao saw the landlord steal into the courtyard .中the landlord 后steal 为什么不用过去式是不是steal之前有个to 省略掉了？ 例句：I thought the idea to be practical.此句中的to be为什么可以省略呀,抱歉,一打岔就问了刚讲的了.那么是不是动词为find believe consider think recognize......时都可以用think sth.adj.这样的形式呢？ 其人之道还治其人之身中省略了介词什么 介词as用法不对呀The newspaper exposed the officer as a spy.报纸将那军官的间谍身份揭发了出来.此句中为何用介词as,它在句中无实义呀!此句中这样表达岂不更好:The newspaper exposed a spy of the officer.此句 a memorial service for the police officer killed中,who were是不是被省略了?为什么可以省略呀? I am very glad to have received the letter中to后面为什么用完成时?to后是不是省略了that.否则一个...I am very glad to have received the letter中to后面为什么用完成时?to后是不是省略了that.否则一个句子不是有