下面一句摘自 2018高考英语天津卷，请问为什么是 at all cost，而不是 costs 呢？But something inside me was going to climb that mountain at all cost. I could hardly wait to try this adventure again.
..., Jack Welch earned a reputation (since disputed) for red-toothed
success, but was too cold-blooded to mesmerise the masses.请问老师，括号里怎么理解，如果since后面是过去式，那前面应该是完成时啊，前面用了earned。感谢老师为我解惑！
有这样一个句子：Where I come from, we are not accustomed to seeing so many things in the shops.句中的 where I come from 有点奇怪：这个 where 是什么词性？如果 where 是连词，那介词 from 的宾语呢？如果 where 是副词，那 where I come from 是什么成分？求...
...p;school should be made a good use of？We should make full use of our spare time to study.Our spare time should be made full use to study.这里的of为什么省略了呢？
Specifically, we had success predicting the spread of dengue in Brazil at the regional, state and municipality level using these data streams as well as clinical surveillance data and Google search queries that used terms related to the disease. 各位老师好，这是在网上搜到的...
语法书上讲到：1.The farmer used wood to build a house which to store grains in.—该句错误2.We moved to the country so that the kids would have a garden which they could play in.—该句正确什么情况下介词可以置于句末？什么情况下不可以？
...The trial began almost two months after the assassination. 可否加in？But more than two months after the earthquake, many Haitians appear to still need urgent help finding food. 可否加in？
Nancy ______ another city since she graduated, but last year she ____
back home.A. has gone to; has comeB. went to; cameC. has been to; has comeD. has been in; came请问这道题是不是一到错题？因为since引导的时间状语从句，对应的主句应该用现在完成时，且表示动...
...essor
at the Georgia Institute of Technology in Atlanta, is one of a small but
growing minority of academics ___56___ are cutting back on their air travel
because of climate change.这是2022浙江卷1的语法填空题，参考答案只给了 who，填 that 也可以吗？如果可以的话，有...
As we can see, light won’t bend around the corner _____ it’s made to do so with the help of the objects that can reflect light.A. until B. unless答案为 unless，A 为何不行? 请解释一下! 谢谢！