Everybody wears them(是上文的jeans),from the rural farmer to the urban lawyer and from models to housewives.But why have jeans become so popular.You will get many answers请问一下，why后面怎么没主语？是省略吗？
Ponder has never lost anything. So we just take for granted that he needs no supervision for managing his stuff.这是2020年北京卷高考题完形填空中的句子。这个句子的 take 后面为什么没有 it 呢？难道这个 it 可以省略？
...e disease
is now under control. 看来疾病现在得到了控制。He sometimes has
difficulty keeping his temper under control. 他有时很难控制住自己的脾气。考点说明：(1) 近10年考过的与介词的搭配：in/under control 在控制中out of/beyond/outside control
失去控制...
...husband could earn enough money,them could buy a sports car.请问主句和从句中的could可以改为be able to的过去一般时吗？如果该句改为对过去的虚拟，If her husband could have earned enough money,them could have bought a sports car.请问这里的could have done能否换...
老师说，but与however都可表示转折，其中一个简单的区别就是，however后面要有逗号，而but后面不能用逗号。但是，看到了下面这个句子，but后却用了逗号：
But, three days later, a letter arrived, calling me to Groydon for an interview with the he...
He brought her breakfast in
bed on a tray.在牛津词典单词tray词条里，读到上面这个例句，对bring her
breakfast in bed的用法感觉疑惑。bring something in someplace在遇到地点是bed时，可以这样用吗？谢谢老师指导
Why form the club是省略句吗？应该不是：Why do you form the club?另外，What does it hope to achieve? 可省略成下面这样的句子吗？What hope to achieve?以上截图来自 2019版人教版高中英语新教材必修一的
Unit 1（p21）。