Countries looking to raise their retirement ages typically make their intentions known five to ten years in advance.
这里的look to要作为展望来看的话，接的raise是原型，怎么划分来看look to do的结构呢？in advance这里是定语修饰five to ten years 吗？
To fool him is easy for us.For us to fool him is easy.He is easy for us to fool.He is easy to fool for us.It is easy for us to fool him.这几句话哪些正确，哪些错误，错在哪
There has also been disagreement as to whether tariffs be removed or remain in place as an enforcement mechanism.as to 后面是用动词原形吗？比如：as to doas to whether sb do
...rd
McGurr, a street artist for 25 years, went from painting swubway trains to
designing and marketing graffiti-inspried clothes for young people.本句摘自北师大高中英语必修第三册p23。这里的
from...to...连接的是两个动名词短语吧？我原来知道 from...to... 是连接...
... consciences were quieting down, discouraged; the old couple were learning to reconcile themselves to the sin which they had committed. But they were to learn, now, that a sin takes on new and real terrors when there seems a chance that it is going to be found out. This gives it a fresh an...