...Used with a singular countable nouns to refer to one of number of
things or people, when it doesn't matter which.还有：In, at or to any place, when it doesn't matter
where.这两句话中单词which和where的位置，我感觉很少见。想请教老师，这两句话里它们各自的词性和...
Recurring revenue is the portion of the revenue that is going to continue in the future. It provides a growing base of revenue on which management can rely while focusing on ways to grow the business.on which, 为什这里要加介词on？
(1)A girl is lying on the couch.这个正常的语序可以加there副词吗？There is a girl lying on the couch.这是个倒装句，这个句子还可以有哪些倒装形式？(2)There is a girl lying on the couch.这个句子里a girl是主语，is是系动词，there是副词，lying是表语...
...o seven years. Typically, an indentured immigrant signed with a ship owner or recruiting agent in England.最后的那个介词短语到底修饰谁？是修饰 agent 还是一起修饰 owner or agent ，还是修饰谓语 sign？有什么语法依据？
...词性解释，我看不懂牛津字典的解释是什么成分。a play or a film/movie in which part or all of the story is told using
songs and often dancing.这里a play in which part of the
story中的in which是定语从句吗？which代替哪个先行词呢？还是in which作为介词短语...
Never forget that Russia is not another world, it’s another planet. Other planet, never forget it. It’s not enough, other world. It’s another planet, but a very attractive planet, very. It will be attractive always. It doesn’t matter, it will be sovism, communism, socialism, or capitalism, o...
...accuse （P18）作“to
say that you believe someone is guilty of a crime or of doing something bad 控告，质控；指责”解时，可以构成“accuse
somebody of doing something”。例如：
Smith accused her of
lying. 史密斯指责她说谎。
They accused him of
cheating 他们指...
On search engines,companies will bid on keywords to use in ads.
这句话中to use是keywords的定语，形成动宾关系?如果use后面加上it
On search engines,companies will bid on keywords to use it in ads.这个句子中to use it in ads是状语吗?
老师解答，谢谢！
What easier way is there for a nurse, a policeman, a barber, or a waiter to lose professional identity than to step out of uniform?老师这里 for a nurse, a policeman, a barber, or a waiter to lose professional identity 是for引出不定式to lose的逻辑主语nurse~waiter吗，那for sb to los...