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 I have.
3. it was the memory / memories of 追溯到…，回顾历史（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.
（回顾历史，）人们可能会把 1964 年东京奥运会和 1988 年汉城奥运会分别视为日韩两国发展的转折点。
It was the memory of 1945 Hiroshima and Nagasaki suffered from the attacks of atomic bomb, from which originated the term of "Zero Ground".
“零地带”这个术语可以追溯到 1945 年广岛和长崎遭受原子弹袭击的历史时刻。
4. on the premise / ground / prerequisite / proposition / hypothesis / presuposition that 基于一个前提… （假设类经典句）
The Chinese government declared the implementation of 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 but 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 Development of Western China is bound to be a bridge between China and other countries, promoting common economic development and prosperity for the whole world.
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."