When a student
attacks a professor on the social media，the language used
actually says more about the students.1. 这里为什么要放used在句中?这里的used是什么意思？2. 如果used是形容词，为什么它后面可以跟着一个副词一起修饰动词say呢?
When quoting a source, if you mention
the author’s name in the introductory sentence, APA style says to follow that
with the publication date in parenthesis.请问老师：When quoting a source这里还原为完整句子是什么？When you quote a source? When you are quoting a source? 但是you...
...对话中表达对未来的假设或委婉建议。
例句：
If he took the
exam tomorrow, he would pass.
（如果他明天参加考试，他会通过的。）
→暗示他可能不会参加，但若参加则可能通过。
If I won the
lottery, I would travel the world.
（如果我中了...
It extends from placeA all the way down to placeB. 请问老师，down在句中作什么成分？all the way在句中作什么成分?和 you make it not that way 中的not that way成分一样吗？是不是一种约定俗成的省略？能不能加个介词 in all the way / not in that way
The silence was suddenly broken when a large car,with its headlings on and its horn blaring,roared down the arcade.请问老师,with部分作句子的什么成分,可以看作car的定语么(为什么加那么多逗号)? 它的主句部分是 when a large car roared down the arcade 吗?
句子：Once commercial promtion begins to fill the screen uninvied, the distinction beteen the Web and television fades.我认为uninvited 在此句中充当状语成分（不管它在此句是adj 还是 v），但是我说不出为什么。然后我就想问各位如何具体分析"uninvited...
The headmaster was pleased with what we did. He praised us and also encouraged us to do more to protect the environment.各位老师，请问to protect the environment在这作定做吗？
...·第一册第62页的 Unit 1 Workbook 有如下改错题（第4句）：The gentle old man is the only person, whom I can trust. 所给答案是：The gentle old man is the only person, that I can trust.这里为什么要将 whom 改为 that 啊！请教各位专家！
...by puromycin or produced an amnesia with a different time course from that of puromycin. 首先，其他类的药物，如戊二酰亚胺类化合物—这类药物本身是强效的蛋白质合成抑制素—要么在某些情况下无法导致记忆缺失（遗忘症），而嘌呤霉素在...
1-a. There isn’t an egg in the box. 盒子里没有鸡蛋。1-b. There aren’t any eggs in the box. 盒子里一个鸡蛋都没有。2-a. There isn’t any student in the classroom. 教室里一个学生也没有。2-b. There aren’t any students in the classroom. 教室里没有学生。我的...