There are three English-books on the shelf, but ______ of them is mine.
If you want to be healthy, you’d better eat _____ too often.
From two to two to two past two means _____ in Chinese .
In English-speaking countries, ____is unlucky number while ____is unlucky number in China.
Xi Jinping paid his first visit to ______ in March, 2013.
__runs the fastest in the world.