例如:“There’s somebody at the door.” “Tell them I’m out.”“门外有个人要见你。”“告诉他们我不在。”somebody在前文中出现,后面如果要用一个代词指代前面的somebody,用them。那么其他单词呢,比如 somebody, anybody, nobody, person...
...这种怎么表示?
然后还有就是完成时的独立结构,比如They having been working for three hours.和the homework having been done 对吗?将来时又如何表示独立结构呢?
最后一个就是,完成时的在否定副词半倒装的时候该怎么倒装呢?never have t...
The effect was especially pronounced for lower performing students, for whom exposure to struggling stories led to significantly better science-class performance than low-performing students who read achievement stories.这个句中的for whom是引导定语从句吗?我理解whom是exposure的定...
Gas is a substance without a definite volume nor with a definite shape.改错正确答案为Gas is a substance without a definite volume nor a definite shape.那么这里可以用without a definite volume or a definite shape 吗?or和nor的区别是什么?感谢大家!!
请问给位老师:Sex determination in fish is a very flexible process with respect to evolutionary patterns observed among genera and families, and within individuals is subject to modification by external factors.句中 and 部分和前面的哪一部分并列?我在阅读时碰到较为复...
An opportunity is something that, ____, by no means you will get back.An opportunity is something that, ____, by no means you will get back.A. if you lose B. when lose C. once lost D. after losing书上的答案是C,请问老师,为什么不选A?
Mr.Smith ______ by a large majority vote at the board meeting.A.has turned down B.was turned downC.has been turned down D.had been turned down这道题为什么不能选一般过去时?
A nearly decade-long drought combined with historically high temperatures have created tinder-like conditions in the nation's central regions. 请问这句话的谓语动词是不是应该用单数 has?
MC-X%-Y and SC-X%-Y represent the MC and SC testing samples with both X% moisture content and Y g/cm³ density, respectively.老师,我想表达的是:MC-X%-Y 和SC-X%-Y分别表示MC 测试样品和SC测试样品具有X%的含水率和Y g/cm³ 的密度。我的表达方式正确吗