Shaq found an opening to sell a cheap sneaker of his own.Still, O'Neal believed he could sell a pricier sneaker by himself--but fouled out.请问这里的不定冠词a是起什么作用？是表示类指？泛指？还是非确定特指？另外还想问下这三者是什么关系？我看在章...
这是一道选择题：1. To think she might have missed the plane.A. It's possible she might have missed the plane.B. She heard that her flight had been canceled.C. It's a good thing she didn't miss her flight.D. She didn't think the passengers would miss her.题目的答案是：C...
...花木兰的海报，上面写着：If tansgender soliders weren't allowed to serve,Mulan could never have saved... 这句话是虚拟语气，if引导的条件从句对过去的虚拟应用过去完成式，那为什么用过去式 weren't allowed 而不是 hadn't been allowed？
With this delivery technique the puncture site would be very small and recovery could be through the entry site or through the groin as the filter could be inserted distal to meet a recovery sheath in the aorta.
...iving the annihilation of wildlife and a rise in global heating, according to
a new study, prompting warnings that humanity is financing its own extinction. 请问老师：句中的driving和prompting作的都是什么成分？prompting是状语吗？但是逻辑主语是谁呢？找不到它的逻...
... the content of all those letters, could have worked out what you intended to do?""Yes, but no one person knew the contents of all the letters. Miss Winthrop and I were the only two human beings who knew what was in them all. Neither Miss Winthrop nor I left the office all day. Yet before the day en...
...living room前面都没有冠词，这种表达可以吗？(2) view of hilltop monument from the bedroom.这里的view和monument前面没有冠词，这种表达可以吗？3. on my way to school，这里school前面需要加冠词a或the吗？
...esh air. 2. My father got up so early that he would have enough time to pack. 3. He came in quietly in order that he shouldn’t wake his wife. 请教老师，情态动词would/ should/ might/ could 在目的状语从句中的含义，以及如何选用？谢谢老师!
... and earnest ,his address perfectly unaffected and such as we might expect to meet with in a well-bred man somewhat advanced in years. 句子里的such as 后面是定从吗，as后面的n省略了吗？