when falling at speeds up to 60 miles per hour, cats stretch their legs which increases their air resistance and reduces the shock of impact on hitting the ground.还有at speeds up to 中的up to 是：直到（达到）的意思吧
请问将来进行时表推测时，必须基于present evidence 吗？有没有权威的例句Those clouds look very dark. It will be raining soon.=Those clouds look very dark. It is going to rain soon.
At the start of the article, Murakami recounts a memory from when he was in elementary school of going out to abandon a cat with his father, Chiaki. When they returned home, the pair are spooked to find the cat has somehow already returned.from when做什么成分？of going out to abandon a cat wit...
We can use the past perfect continuous to talk about events which started before a time in the past and which finished, but where the effects or results were still important at a point in the past:以上解释出自《剑桥英语字典-语法栏》例句1. It had been raining and the ground was sti...
请教专家老师： My cousin, Harry, keeps a large
curiously-shaped bottle on permanent display in his study. Despite the fact
that the bottle is tinted a delicate
shade of green, an observant visitor would soon notice that it is filled with
what looks like a thick, grayish substance.
If you we...
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I’ve been teaching college students on and off for 25 years. Over the last few
years, students have become much less willing to argue with one another in
class. They don’t want to be viciously judged. It’s not even that they are
consciously afraid of being canceled. It’s simply that the ...
...g all night.We danced all night.We sang and danced all
night.(合为一句)When you are giving alternatives, you
useor.Serve fruit or cheese afterwards.这些很好理解。至于还有一类表示“合为一整体的东西”，如：bread and butterhands and kneesknife and forkcup and saucer注...
With time going by, I'm used to playing the piano.这句话能不能转换为没有with的独立主格结构呢？
Time going by, I'm used to playing the piano.这种结构本身就代表着伴随着时间的推移。
请教老师这种转换是正确的吗？谢谢老师。
They say it would cost too much for the American economy to move away from using oil and other fossil fuels.这句的for the American economy应该不是动词不定式逻辑主语吧，我感觉像是状语修饰谓语，意思是“对于……来说”。
... solar cooker can be used only in the daytime _______ the sun is shining.A when B as C while D since为什么选 A? 而不选其他的？为什么 B，C 错了呢？把 the sun is shining 当做时间状语不行吗？选 C 把 the sun is s...