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
... complete in itself, having either expressed or understood in it a subject and a predicate, and conveying a statement or question or command or exclamation.请问老师，这里的having either expressed.....exclamation是伴随状语么还是非谓语动词ing形式作后置定语修饰a set of wor...
That's a new low since the coronavirus pandemic first struck and a
hopeful sign that layoffs are easing as the economy recovers from the recession
it brought on. 这是自冠状病毒大流行来袭以来的新低，也是一个充满希望的迹象，表明美国经济从衰退中复苏，裁员正...
ANNOUNCER [ON TV]: And line to center, base hit... ...Kent will have to play it on three bounces......and Alou will score. The throw goes to the back...Hit the cutoff man, for crying out loud.1.为什么“line to center”中center前面没有定冠词the?line是动词吗？它有及物动词...
...d trust him, but I couldn’t. —Oh well, you ________. A. live and learn B. live and let live答案是A。不知道如何理解live and learn。好像有句谚语叫Live and learn，它的意思是“活到老学到老”，但它填入句中意思不通...
...章中的一句话：If
I have told you these details about the asteroid, and made a note of its number
for you, it is on account of the grown-ups and their ways. When you tell them
that you have made a new friend, they never ask you any questions about
essential matters. They never say to you, “W...
CNN: 《Controversial Traffic Project Near Ancient Monument And New Mission To The ISS》It's part of an $8 billion investment that NASA has made with SpaceX to send people into space from US soil.如果It是有所指代某个东西，就应该理解为同位语从句；如果It没有指代某个东...
专八改错: and的问题The percentage of residents
born in a state is positively correlated with smoking and obesity, as well as
deaths from cardiovascular disease....这里deaths前面需要加with，请问and后面什么结构可以省略什么不可以呢？像with不可省，那to。do的to...
And as discussion of language acquisition becomes more substantive, it moves to assumptions about the language organ that are more rich and domain specific, without exception to my knowledge.请问：without exception to my knowledge是什么意思？
...gas giants. But not so close that it's surface
exposed to the extreme heat and solar radiation as is the case with Mecury.请教老师，这段话最后的as is the case with mercury是一个固定表达结构吗？请讲讲这个表达方式
Now he’s in charge of something more conventional and colossal, co-written and co-produced by James Cameron.这里的co-written and co-produced是something more conventional and colossa的定语吗？
What is the probable relationship between John and Sarah?A. Neighbors.B. Fellow workers.C. Husbandand wife.这是来自2021年新高考英语全国乙卷（全国卷I）的听力对话录音原文的句子。请问这里的 Husbandand wife 为什么不用冠词啊！它们不是可数名词吗？...
...hermal-scanning photography, a process that records radiation from surface areas, have made it possible to study in greater detail than ever before the effects of calefaction, or warming, of a river.似乎划线部分原位置在study后面，为什么呢？这两个句子是一种类型吗？这种...