请教一下老师：1 Itis dangerous playing with fire. It是形式主语，指代playing with fire 2 Thisis my first time driving a car. This也是形式主语指代driving a car吗？？driving a car是动名词短语吗？这句话的语法不理解 3 Itis my first time ...
That's anew low since the coronavirus pandemic first struck and a
hopeful sign that layoffs are easing as the economy recovers from the recession
it brought on. 这是自冠状病毒大流行来袭以来的新低，也是一个充满希望的迹象，表明美国经济从衰退中复苏，裁员正...
...复。of表示所属关系，部分与整体的关系为后置定语：abook of my friend. The door of the house; three of them; none of them; some of them few of them, etc.of 表示同位关系， 为后置定语：a density of 2 pounds; 密度为…. ...
...er people catching this kink of illness now.
A. are B. is C. has D. have
(2) There _______ a fewer students in the library after school every day.
A. has been B. have been C. is D. are
对于（2）题，老师说正确答案选C，我认为应选D，因...
TV's influence should be measured not only in terms of immediate change in behavior, but also by the extent to which it develops a certain view of life.请教下老师这个句子如何翻译？句中to which中介词to来自于先行词的习惯搭配吗？此结构中介词的选择有...
...ow? 二者有何区别？） When you are talking with him, take care not to mention this.（为什么不说When you talk with him? 二者有何区别？） Will you post this letter for me if you are passing a postbox ?（为什么不说if you pass a postbox? 二者有何区别？） ...
...bsp; D that还请帮忙分析一下该句结构。6. "Do you like the book your father gave you?" "Very much, it's exactly _____ I wanted."A one which B that C one what D. the one
... these computer uses have
become commonplace. Of course, Leon Bagrit could not possibly have foreseen the
development of the Internet, the worldwide system that enables us to
communicate instantly with anyone in any part of the world by using computers
linked to telephone networks. Nor could he have...
...的母语者的回答：All your sentences are incorrect because they are not using proper syntax. All your sentences must appear thusly: "They each have/had... ..."not "They have/had each...." (Reno33, 美国）I agree with Reno. It's a simple gramm...
比如：1.是The bookis useful to you.还是The bookis useful for you?2.是read a story to her还是read a story for her?针对1，学生之前似乎看过这样的解释：“for是一种主观判断，to是一种客观事实”，这种说法是否合理？另外，我知道这类搭配多积...