1．leave sb. the choice of … or … 要么……，要么…… ★（选择类经典句）
Our cruel and unrelenting enemy leaves us the choice of brave resistance or the most abject submission.
The age of 30s leaves you the choice of marriage or remaining a bachelor.
2．be the instrument of sth. 引来某事物的人或事★（使动类经典句）
The eyes of all our countrymen are now upon us, and we shall have the blessings and praises, if happily we are the instruments of saving them from the tyranny meditated against them.
The organization he had built up eventually became the instrument of his downfall.
If I can be the instrument of your happiness, I will sacrifice all my belongings.
3．it was the memories of 追溯到……★（回忆类经典句）
Perhaps it was the memories of the 1964 Tokyo Olympics and the 1988 Seoul Olympics, which were considered turning points in their nations’ development.
4．on the premise / ground / prerequisite / proposition / hypothesis / presupposition that 基于一个前提……★（假设类经典句）
The Chinese proclaimed/declared to adopt/implement the policy of peaceful reunification on the premise that the then Taiwan authorities maintained that there is only one China in the world and Taiwan is only one part of China.
Advice to investors was based on the premise that interest rates would continue to fall.
5．be bound to 必定……；一定……★（意愿类经典句）
The Great Western Development is bound to be a bridge between China and the rest world, promoting the common economic development and prosperity of China and the world at large.
Just wars are bound to triumph over wars of aggression.
6．a matter of sth./doing sth. 与……有关的情况或问题★（描述类经典句）
Considering the following statements, made by the same man eight years apart. “Eventually, being ‘poor’ won’t be as much a matter of living in a poor country as it will be a matter of having poor skills.”
Dealing with these problems is all a matter of experience.