老师好，麻烦您帮我解答一个问题。谢谢“what is crucial to a successful classroom is to involve students.”the professor
said.（be crucial to）“一个成功课堂的关键是让学生参与进来。”那位教授说1．划线部分为什么使用what做主语2．what is crucia...
...essary for each member to avoid destroying the others’ face. At the same time, it is often the person’s social relationship with others that leads him to participate in certain encounters with them, where incidentally he will be dependent upon them for supporting his face. Furthermore, in ...
as if的虚拟语气表对现在的虚拟用were或did，是否可以既表示虚拟又表示进行或完成？例：It seems as if he is leaving.他好像要走。这句话变虚拟语气可以直接把is变成were吗？例：It seems as if he is doing his homework.他好像在做作业。这句话...
...美味的食物主要由当地农民食用）与上文内容不符，所以只能选G。选项 G 的意思：The food is so
delicious that you don’t need much of it to make you happy. 食物是非常美味，你不需吃太多就能让你很开心。39. E。【解题思路实录】在七选五阅...
Recently, sea-life protections have been given in the area, controlling fishing and creating safe paths for animals to travel through. 中的“controlling fishing and creating...travel through”是状语还是定语？
前面一位网友提出了一个关于从句理解的句子：He always leaves his clothes lying on the floor where he took them off.(http://ask.yygrammar.com/q-22435.html )请问：这个句子的主句和从句的时态这样不一致也可以吗？不算错吗？
...进剧场。三、一点易错提醒现在分词的完成式一般不用作定语。如：误：Do you know anyone having lost a cat? 你知道有谁丢了一只猫吗？误：I want to talk to the person having broken the window. 我想同打破窗户的人谈谈。若将以上现分词的完成式...