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?

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? I don't understand the way_____they worked out the problem.A.which B.on which C.in that D./此题选D,此句是同位语从句，难道that也可以省略么 强调句中的that可以省略吗? I ' m sure (that) she will help you.关于省略句为什么可以省略这个that出自于语法的哪个规则, find the boy was sitting there,句中that 可以省略吗? the waiter understood that he didn't want tea.这句中的that可以省略吗?为什么?像这种先行词在什么时候可以省略? 谢谢各位啦! 强调句的that (who) 有时可以省略It was my brother (that / whom) you saw the other day.这个说是可以省略为什么啊？. 此句Word came that she will take charge of the company a few days while the boss was away.句中的that为什么不能省略呢? 求分析此句中的that是否可以省略?I glanced at my watch and found that i had missed my train.请问that什么时候可以省略呢?不要太专业举两个例子. 英语that从句如果是被动句,动词be可以省略吗?that从句如果是被动句,动词be可以省略吗,在that存在的情况下.例如：it is the book that (was) borrowed yesterday. 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? You wouldn't believe someone will buy someone's cast-offs.此句是否省略that语句?什么句子可以省略号that? Although she believed that she had a good chance of recovering,the doctor said that few,_____,could此句省略了什么成分吗? 英语强调句的THAT 可以省略吗, the chances are (that)中的 the可以省略吗 The film that I saw is interesting这里的that可以省略吗?顺便说一下THAT什么时候可以省略, It is high time that we ___a meeting to discuss the problem 答案是held 不是hold这个句型不只有后加过去式和shoud加动词原型么shoud 不是不可以省略的么?hold为什么不对啊?这道题是省略should 但是should在此句 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