语法dentists always ask questions when it is impossible for you to answerdentists always ask questions when it is impossible for you to answer（It）谁告诉我到底要不要括号的?为什么要省略?

语法dentists always ask questions when it is impossible for you to answerdentists always ask questions when it is impossible for you to answer（It）谁告诉我到底要不要括号的?为什么要省略? 此句中的 always 是什么词性,语法上作何解释?I met Sallie,angry at me as always. Dentists always ask questions when it is impossible for you to answer这里的 for you to answerit is when解释下 谢谢 dentists always ask questions when it is impossible for you to answer是什么句形请说明一下能说明那是主句那时从句吗 As always是什么意思 请哪位老师给我讲一讲这句英语的语法.She was still exactly as he had always known her. as soon as的语法 Our English teacher always ______us to speak English as much as possible.A.encourage B.make C.let貌似语法上都可以填唉,该选哪个? 关于as的语法 I am here.As always you must make yourself happy as you always make yourself beautiful~请问这句话有没有什么语法上的错误? as as possible的语法和应用! as..as详细语法,及应用 as long as 的语法运用 这句话语法对吗,Always be sunny,always be alone. 英语达人请进,帮忙分析一下这个句子的结构 句式 语法,句子不太理解,句子：Dentists say it is important to find soft toothbrushes made especially for babies and to use them very gently. I'm here,as always 啥意思? I love you,just as always