...re then,the Falcon Heavy may earn its keep lifting satellites and carrying tourists on slingshot trips around the moon.牛津高阶：earn one's `keep work hard enough to cover the costs of one's food,
accommodation, etc 挣钱维持生活.请问老师上面这句话中，earn its keep 是...
1. We managed to arrive at the hall before the concert had started.2. He came in before I had done half the work. 请教老师，我们都知道发生在 “过去的过去” 的动作用过去完成时态，可是句中介词before前的动作先发生用过去时态；before后...
What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.1,what 引导的是主语从句，做become的宾语对吗?2. when引导定从 修饰between 4.5 and 3.8 billion years ago对吗?谢谢
...lord for a room. “There’s nothing left,” he said, “_________ to sleep in Number 7”.A. if you didn’t likeB. If you don’t likeC. unless you are likingD. unless you’d like答案:D我想知道：答案D: unless you'd like 表示“例外的特殊情况”，在这里，究竟...
I'd like to purchase a large quantity of T8 LED glass tubes 120cm in length.老师,120cm in length.是如何理解的;数词修饰介词短语吗,还是介词短语修饰数词,那个修饰那个一般如何判断的,它们一起作T8 LED glass tubes的后置定语?
...cularly cornet player Buddy Bolden，achieved local fame for their ability to improvise solo. Later the idea of the chorus -long or multichorus solo took hold. Louis Armstrong's instrumental brilliance, demonstrated through extended solos, was a major influence in this development.1. 句子属...
Should you hire me, as I hope you will, I’d want to take good hard look at everything you’re doing and understand why it’s being done that way.为什么Should you hire me这里用倒装结构？
Children everywhere still need to be immunized, and children whose immune systems are weak,sometimes get a type of polio that's shed from the vaccine into sewage.不懂that's shed from the vaccine into sewage.这句话的语法结构和成分，请教老师分析。谢谢！
... been wrapped up in newspaper and
it contained half the money he had lost, together with a note which said: ‘A
thief, yes, but only 50 per cent a thief!’ Two months later,
some more money was sent to Sam with another note: ‘Only 25 per cent a thief
now!’ 请问老师：如改为 only a 50 p...
（1）-What gift do you plan to give your mother for her birthday? -Oh
I have forgotten all about it.（2）-Can you pour me some tea please Jenny ? -Are you sure? I
thought you preferred coffee.回答时到底使用，现在完成时还是一般现在时，有何区别？
...老鹰队淘汰后，前者先发中锋恩比德发了一段推特“Sorry to disappoint you again but just know that I gave everything I had knowing the circumstance.If there’s one thing I’ve learned being here,it’s the toughness.”请问划线部分做什么成分，如何翻译？