Many of the reductions over the past 30 years have been achieved either
by reducing the amount of sugar, salt or fat in a product, or by finding
an alternative ingredient.这个句子have been achieved是什么时态
Whenever the Italian city-states were at war with each other, Hawkwood used to hire his soldiers to princes who were willing to pay the high price he demanded.1. 这里的hire是hire out的意思吧，这里是不是省略了out？因为我查字典，动词hire单独使用，一般是雇佣进来...
_______as much as one fourth of all timber harvested is not use proved
to be false.
A.The estimate B.The estimate C.they are estimate D.It is estimated
that
请问老师为什么不能选D?
Not only cancer, but also heart and lung disease are influenced by smoking. 不仅是癌症，还有心脏病和肺部疾病也都会受吸烟影响。请问：句子中的 heart and lung disease 用得对吗？我是说，为什么 disease 不用复数呢？它前面不是有heart and lung 修...
... kites,_____ kite flying spread to Japan, Korea, ThailandandIndia.A.from that B.from where C.from there D.from here答案选择 B，老师给的解释是 from where 表示笼统的概念，不过我觉得这样解释还是比较难以...
...，因为我操作好多次系统都提示 illegal operation，谢谢!But that carried a risk, because it is cooler at high than at low elevations, andin an especially cool year, it might be too cold to grow crops at all.在这句中than at low elevations可以省略吗？恢复成完整的句子...
...predator.It's docking you.Oh you can try that right with doctors, medicines.But in the end, time is going to hunt you down and make the kill. 哼，它就像一只猎食动物...
... working hard, gathering and threshing before the September rains so that the crop can be processed in the local factory.
和这句话： After the harvest, the famous macaroni-eating competition will be held.
两句话中的两个harvesr 形式的问题，一个是动名词，后面那个...
It's very likely that the outcome of the 2020 presidential election, won't be known for days and possibly a week or ten days after what we think of as election day.1) in+时间也可表将来，for+时间（例如这里for days）也可表将来，那么区别是什么？这里可以将...