...么if条件句是什么作用呢?就不需要假设了,无论这个if从句是虚拟语气还是普通的过去完成时。2. 第二种主干情况:the EU's output will be 20%, or €3trn, smaller than if it had kept the growth。这里把“ it managed in 2000-07”当做定语从句修饰gr...
...by having the first letters of each word
spell it out,是hide 的方式状语。在这个方式状语里面,having 后面跟了一个复合宾语:have + 宾语 + 动词原形,意为“让......做某事”。 it指a message ,spell out的意思是“拼出;读出;表明”。这句话...
This brief visit with Mother Nature cost me two days off from work,
recovering from a bad case of sunburn and the doctor's bill for my son's food
poisoning.recovering from 在这里为什么用ing形式,在句中不是做状语吗?