The millions of calculations involved, had they been done by hand, ______ all practical value by the time they were finished.A. had lost B. would have lost C. would lose D. should have lost请问:应该选哪个? had...
Susan is what is known as an addlehead.这句话中的what可以替换为连接代表who吗?我知道what可以同时在主从句中做成分,那who作为连接代词不可以吗?如果不可以的话,那Do you know who will come this afternoon? 这句话中的who引导的从句做know的宾...
Do you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we didn't know for sure?这句话并不缺成分,为什么when引导的是定语从句而不是时间状语从句?
都是表示对象,为什么有时介词用for sb,如1和2句;有时却用of sb,如3和4句。平时怎么区分具体该用哪个介词,有什么规律可循吗?谢谢!The baby's too much for her to cope with.It is easy for me to answer this question.It was silly of us to b...
...时候,觉得应该选B:Should可能更佳。might have turned off 和 will have turned off 在这里应该都是表示对过去完成动作的推测,只是确定性有所不同。而Should have done,表推测时是一种非常大的可能性,暗示有一定依据或者合乎常理。 本...
if真实条件句假设过去 和 if虚拟条件句假设现在的写法一样,在区分时该如何区分?新概念2册第64课:lf tall chimneys were built above sea level, the tunnel would be well-ventilated.这句话假设的是过去但为什么是真实条件句而不是虚拟条件句?...
1.They are made convenient to mark.翻成①它们便于评分。②它们是为了方便评分而设计的。哪句好一点?2.They are given to accommodate students' needs.怎么翻译?3.They are frequently scheduled at irregular times.怎么翻译?