下面的句子摘自人教版高中英语必修六第71页：I told Peter not to be late. I was very angry when he still wasn’t home at midnight.我觉得句中的 at midnight 用得不妥，应改为 by midnight。因为 at midnight 的意思是“在午夜”，而到 by midnight 的意思是...
...状语，这个时间状语是否特指频度状语？比如：I have gone to
the library every day for 20 years.如果我去掉every day只用for 20 years就是错误的吧，因为非持续性动词go不可以接for持续时间状语，所以完成体表习惯必须是频度状语对不对？(另...
...用过去完成时。如：
By the time I got home, she had already gone to bed. 我到家时她已睡觉了。
By the time he got there, everyone else had arrived. 他到达那里时，别人已都到了。
The rain had set in steadily by the time we got home. 我们到家的时候雨已经...
...了以下例句：before：It was before I went to college.It was five hours before I finished the work.after：It was after independence that the people began a new life.It ...
Mother would count out to her a bag of laundry that had accumulated over several weeks. The number of farms declined over the period.over the period似乎是以一种鸟瞰（bird's eye view）的角度，「总结性」地看待这段时间。农场数量在时间内可能时而...
...醒。因为这句话后面紧接着就写到Although the bed was smashed to pieces; the man was miraculously unhurt. When he woke up, he was still on the mattress.虽然床被摔得七零八落，这个男的神奇般地没有受伤，当他醒过来后，他仍然躺在床垫上。所以按照我...
...理解，只是确定不了 过去完成时： https://www.britannica.com/topic/La-traviataGastone tells her that during her recent illness, Alfredo had inquired after her daily. Violetta, amused, cannot understand why and teases her lover, Baron Douphol, that he did not do the same. 也就是说G...
this letter represents my strong and sincere recommendation of (sb),whom I personally know to be a most deserving person for the positionrecommendation of (sb)翻译起来怪怪的，这封信代表我强烈而真诚的（某人的）推荐 of (sb) 作用是？
...：If Jack recited this poem correctly this afternoon, he wouldn’t need to copy it for ten times tonight. 如果杰克能在下午把这首诗背诵下来，晚上他就不用再把它抄10遍了。因为用的是将来虚拟条件句，这仅仅表示作者主观上认为 Jack 不可能背诵下...
... than they, she drooped and faded with the flowers of
autumn, and ere the storms of winter again swept over her island home, she
passed calmly away to her eternal rest. Her funeral was attended by an immense
concourse of persons of all ages and ranks, and a neat monument has been
erected above her e...
...hnologies mature and succeed each other over decades. Nuclear seems likely to lag behind even in this slow field. That does not mean it will not, eventually, play a larger role, but that it will get there slowly. Inside a reactor, things can change in milliseconds. Outside, it ta...
...re Friday. 星期五以前肯定会有结果。2. By the time you get to Beijing tomorrow, I should have left for Shanghai.等你明天到达北京的时候，我很可能已经动身去上海了。3. He may have left when you get there. 等你到达的时候他可能已经离开了.4. 200...