此句中that的用法And since they are the ones that pay the electricity bills,they should have the freedom to decide when to use the electricity.为什么用that,ones不表示的人吗,连词不应该是用who

there is nothing changed since i left here.此句中changed的用法 此句中that的用法And since they are the ones that pay the electricity bills,they should have the freedom to decide when to use the electricity.为什么用that,ones不表示的人吗,连词不应该是用who We have since confirmed that……中“since”的意思和用法是什么?We have since confirmed that……这个句型中,“since”的意思和用法是什么? 在原因状语从句中,now that和since的用法高中英语 英语中since和before的用法? 谁知道高中英语中since的用法 翻译此词在此句中的意思And that's ture even though manufacturers have already hiked the efficiency of refrigerators and other white goods by as much as 70 percent since the 1980s. ---hiked在此句中什么意思，再全文翻译一 that在这里是什么用法?此句analysts do agree on another matter:that the number of the homeless is increasing.中,that是什么用法?冒号是怎么回事儿,影响语法的使用吗? 英语翻译星期四------的专题新闻节目到此结束.这里开头的and that 是什么用法, I am a bit worried that you won`t stand any more after you go for 32 million times翻译及此句中“for”的用法 请问此句中it的用法?He is good at computer,from which it doesn't follow that his major is computer science. 请问英语句子中that is causing this的分析IF there is some difficulty you are facing that is causing this 此句中 that is causing this修饰的那个词,是什么用法? since的用法 since的用法 since 的用法 since的用法是什么? since的各种用法 介词 since 的用法?