在有道例句中有一句这样的话：Much emphasis is put on how to spend as much time if not more studying by themselves as being taught.请问这句话中if not more studying by themselves是怎么省略的？
There was a club chair in our house, with curled arms and a square
ottoman; it sat in one corner of the living room, with a barrel table next to
it. In my mind I am always sprawled on it, reading with my skinny legs slung
over one of its arms.In my mind I am always sprawled on it, reading with my sk...
The
repairs cost a lot, but it's well ( )A.
to spendB.
spentC.
being spentD.
spending答案是B.
spent.这里是否应该说成 but it was well spent, 用is有误吗？前面的谓语cost这里应该是过去时，不可能是一般现在时吧? 如果是的话，那么后面就应该说成 but it...
...ness benefits with running, research shows,
while most likely contributing to fewer injures.
查过字典，fitness只有名词这一词性，可是它为什么也能当作形容词一样修饰名词呢？fitness的形容词形式是fit，为什么不用fit benefits作为代替呢？
在2024的译林新教材中:Hobbies bring joy to our
life.Science changes our lives.这两句当中的life在单词表中给的意思是life（pl. lives）个人生活；生命。所以两句里的life都是生活的意思吗？那到底什么时候用复数，什么时候用单数呢？毕竟配...
If and when the implementing legislation is crafted, then Congress canvote to approve or disapprove the deal, but can’t change or amend it.疑问：查了下字典把 if and when 翻译成“如果”，那么这个和一般的 if 有何差异？
在网上看到这么一句话：表达认为某事极有可能的观点，这是出于说话人已知的观点或常理性期待而做出的合乎逻辑的结论：Her mega hairdo must have taken several cans of hairspray to achieve.请问：为什么要用must have done这种形式？
No matter how frequently ______, the works of Beethoven always attract large audiences.A.performing B.performed C.to be performed D.being performed请老师详细讲解这道题，谢谢老师!